fixer-fix 0.10.1

// Code generated by fixer-gen. DO NOT EDIT.
#![allow(clippy::new_without_default)]
#![allow(clippy::needless_pass_by_value)]
#![allow(clippy::too_many_arguments)]
#![allow(unused_imports)]

use fixer::message::Message;
use fixer::fix_string::FIXString;
use fixer::errors::MessageRejectErrorEnum;
use fixer::session::session_id::SessionID;

use rust_decimal::Decimal;


use crate::field;
use crate::tag;

/// `DerivativeSecurityListRequest` is the `fix50sp1` `DerivativeSecurityListRequest` type, `MsgType` = z.
pub struct DerivativeSecurityListRequest {
    pub message: Message,
}

impl DerivativeSecurityListRequest {
    /// Creates a new `DerivativeSecurityListRequest` with required fields.
    pub fn new(security_req_id: field::SecurityReqIDField, security_list_request_type: field::SecurityListRequestTypeField) -> Self {
        let mut msg = Message::new();
        msg.header.set_field(tag::MSG_TYPE, FIXString::from("z".to_string()));

        msg.body.set_field(tag::SECURITY_REQ_ID, security_req_id.0);

        msg.body.set_field(tag::SECURITY_LIST_REQUEST_TYPE, security_list_request_type.0);

        Self { message: msg }
    }

    /// Creates a `DerivativeSecurityListRequest` from an existing `Message`.
    pub fn from_message(msg: Message) -> Self {
        Self { message: msg }
    }

    /// Returns the underlying `Message`.
    pub fn to_message(self) -> Message {
        self.message
    }




    /// Sets `Currency`, Tag 15.
    pub fn set_currency(&mut self, v: String) {
        self.message.body.set_field(tag::CURRENCY, FIXString::from(v));
    }

    /// Gets `Currency`, Tag 15.
    pub fn get_currency(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::CurrencyField::new(String::new());
        self.message.body.get_field(tag::CURRENCY, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `Currency` is present, Tag 15.
    pub fn has_currency(&self) -> bool {
        self.message.body.has(tag::CURRENCY)
    }




    /// Sets `DerivFlexProductEligibilityIndicator`, Tag 1243.
    pub fn set_deriv_flex_product_eligibility_indicator(&mut self, v: bool) {
        self.message.body.set_field(tag::DERIV_FLEX_PRODUCT_ELIGIBILITY_INDICATOR, fixer::fix_boolean::FIXBoolean::from(v));
    }

    /// Gets `DerivFlexProductEligibilityIndicator`, Tag 1243.
    pub fn get_deriv_flex_product_eligibility_indicator(&self) -> Result<bool, MessageRejectErrorEnum> {
        let mut fld = field::DerivFlexProductEligibilityIndicatorField::new(false);
        self.message.body.get_field(tag::DERIV_FLEX_PRODUCT_ELIGIBILITY_INDICATOR, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `DerivFlexProductEligibilityIndicator` is present, Tag 1243.
    pub fn has_deriv_flex_product_eligibility_indicator(&self) -> bool {
        self.message.body.has(tag::DERIV_FLEX_PRODUCT_ELIGIBILITY_INDICATOR)
    }




    /// Sets `DerivativeCFICode`, Tag 1248.
    pub fn set_derivative_cfi_code(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_CFI_CODE, FIXString::from(v));
    }

    /// Gets `DerivativeCFICode`, Tag 1248.
    pub fn get_derivative_cfi_code(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeCFICodeField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_CFI_CODE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeCFICode` is present, Tag 1248.
    pub fn has_derivative_cfi_code(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_CFI_CODE)
    }




    /// Sets `DerivativeCapPrice`, Tag 1321.
    pub fn set_derivative_cap_price(&mut self, val: Decimal, scale: i32) {
        self.message.body.set_field(tag::DERIVATIVE_CAP_PRICE, fixer::fix_decimal::FIXDecimal { decimal: val, scale });
    }

    /// Gets `DerivativeCapPrice`, Tag 1321.
    pub fn get_derivative_cap_price(&self) -> Result<Decimal, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeCapPriceField::new(Decimal::ZERO, 0);
        self.message.body.get_field(tag::DERIVATIVE_CAP_PRICE, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `DerivativeCapPrice` is present, Tag 1321.
    pub fn has_derivative_cap_price(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_CAP_PRICE)
    }




    /// Sets `DerivativeContractMultiplier`, Tag 1266.
    pub fn set_derivative_contract_multiplier(&mut self, val: Decimal, scale: i32) {
        self.message.body.set_field(tag::DERIVATIVE_CONTRACT_MULTIPLIER, fixer::fix_decimal::FIXDecimal { decimal: val, scale });
    }

    /// Gets `DerivativeContractMultiplier`, Tag 1266.
    pub fn get_derivative_contract_multiplier(&self) -> Result<Decimal, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeContractMultiplierField::new(Decimal::ZERO, 0);
        self.message.body.get_field(tag::DERIVATIVE_CONTRACT_MULTIPLIER, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `DerivativeContractMultiplier` is present, Tag 1266.
    pub fn has_derivative_contract_multiplier(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_CONTRACT_MULTIPLIER)
    }




    /// Sets `DerivativeContractSettlMonth`, Tag 1285.
    pub fn set_derivative_contract_settl_month(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_CONTRACT_SETTL_MONTH, FIXString::from(v));
    }

    /// Gets `DerivativeContractSettlMonth`, Tag 1285.
    pub fn get_derivative_contract_settl_month(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeContractSettlMonthField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_CONTRACT_SETTL_MONTH, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeContractSettlMonth` is present, Tag 1285.
    pub fn has_derivative_contract_settl_month(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_CONTRACT_SETTL_MONTH)
    }




    /// Sets `DerivativeCountryOfIssue`, Tag 1258.
    pub fn set_derivative_country_of_issue(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_COUNTRY_OF_ISSUE, FIXString::from(v));
    }

    /// Gets `DerivativeCountryOfIssue`, Tag 1258.
    pub fn get_derivative_country_of_issue(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeCountryOfIssueField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_COUNTRY_OF_ISSUE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeCountryOfIssue` is present, Tag 1258.
    pub fn has_derivative_country_of_issue(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_COUNTRY_OF_ISSUE)
    }




    /// Sets `DerivativeEncodedIssuer`, Tag 1278.
    pub fn set_derivative_encoded_issuer(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_ENCODED_ISSUER, FIXString::from(v));
    }

    /// Gets `DerivativeEncodedIssuer`, Tag 1278.
    pub fn get_derivative_encoded_issuer(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeEncodedIssuerField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_ENCODED_ISSUER, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeEncodedIssuer` is present, Tag 1278.
    pub fn has_derivative_encoded_issuer(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_ENCODED_ISSUER)
    }




    /// Sets `DerivativeEncodedIssuerLen`, Tag 1277.
    pub fn set_derivative_encoded_issuer_len(&mut self, v: isize) {
        self.message.body.set_field(tag::DERIVATIVE_ENCODED_ISSUER_LEN, fixer::fix_int::FIXInt::from(v));
    }

    /// Gets `DerivativeEncodedIssuerLen`, Tag 1277.
    pub fn get_derivative_encoded_issuer_len(&self) -> Result<isize, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeEncodedIssuerLenField::new(0);
        self.message.body.get_field(tag::DERIVATIVE_ENCODED_ISSUER_LEN, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `DerivativeEncodedIssuerLen` is present, Tag 1277.
    pub fn has_derivative_encoded_issuer_len(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_ENCODED_ISSUER_LEN)
    }




    /// Sets `DerivativeEncodedSecurityDesc`, Tag 1281.
    pub fn set_derivative_encoded_security_desc(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_ENCODED_SECURITY_DESC, FIXString::from(v));
    }

    /// Gets `DerivativeEncodedSecurityDesc`, Tag 1281.
    pub fn get_derivative_encoded_security_desc(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeEncodedSecurityDescField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_ENCODED_SECURITY_DESC, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeEncodedSecurityDesc` is present, Tag 1281.
    pub fn has_derivative_encoded_security_desc(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_ENCODED_SECURITY_DESC)
    }




    /// Sets `DerivativeEncodedSecurityDescLen`, Tag 1280.
    pub fn set_derivative_encoded_security_desc_len(&mut self, v: isize) {
        self.message.body.set_field(tag::DERIVATIVE_ENCODED_SECURITY_DESC_LEN, fixer::fix_int::FIXInt::from(v));
    }

    /// Gets `DerivativeEncodedSecurityDescLen`, Tag 1280.
    pub fn get_derivative_encoded_security_desc_len(&self) -> Result<isize, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeEncodedSecurityDescLenField::new(0);
        self.message.body.get_field(tag::DERIVATIVE_ENCODED_SECURITY_DESC_LEN, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `DerivativeEncodedSecurityDescLen` is present, Tag 1280.
    pub fn has_derivative_encoded_security_desc_len(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_ENCODED_SECURITY_DESC_LEN)
    }




    /// Sets `DerivativeExerciseStyle`, Tag 1299.
    pub fn set_derivative_exercise_style(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_EXERCISE_STYLE, FIXString::from(v));
    }

    /// Gets `DerivativeExerciseStyle`, Tag 1299.
    pub fn get_derivative_exercise_style(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeExerciseStyleField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_EXERCISE_STYLE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeExerciseStyle` is present, Tag 1299.
    pub fn has_derivative_exercise_style(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_EXERCISE_STYLE)
    }




    /// Sets `DerivativeFloorPrice`, Tag 1322.
    pub fn set_derivative_floor_price(&mut self, val: Decimal, scale: i32) {
        self.message.body.set_field(tag::DERIVATIVE_FLOOR_PRICE, fixer::fix_decimal::FIXDecimal { decimal: val, scale });
    }

    /// Gets `DerivativeFloorPrice`, Tag 1322.
    pub fn get_derivative_floor_price(&self) -> Result<Decimal, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeFloorPriceField::new(Decimal::ZERO, 0);
        self.message.body.get_field(tag::DERIVATIVE_FLOOR_PRICE, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `DerivativeFloorPrice` is present, Tag 1322.
    pub fn has_derivative_floor_price(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_FLOOR_PRICE)
    }




    /// Sets `DerivativeFuturesValuationMethod`, Tag 1319.
    pub fn set_derivative_futures_valuation_method(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_FUTURES_VALUATION_METHOD, FIXString::from(v));
    }

    /// Gets `DerivativeFuturesValuationMethod`, Tag 1319.
    pub fn get_derivative_futures_valuation_method(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeFuturesValuationMethodField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_FUTURES_VALUATION_METHOD, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeFuturesValuationMethod` is present, Tag 1319.
    pub fn has_derivative_futures_valuation_method(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_FUTURES_VALUATION_METHOD)
    }




    /// Sets `DerivativeInstrRegistry`, Tag 1257.
    pub fn set_derivative_instr_registry(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_INSTR_REGISTRY, FIXString::from(v));
    }

    /// Gets `DerivativeInstrRegistry`, Tag 1257.
    pub fn get_derivative_instr_registry(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeInstrRegistryField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_INSTR_REGISTRY, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeInstrRegistry` is present, Tag 1257.
    pub fn has_derivative_instr_registry(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_INSTR_REGISTRY)
    }




    /// Sets `DerivativeInstrmtAssignmentMethod`, Tag 1255.
    pub fn set_derivative_instrmt_assignment_method(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_INSTRMT_ASSIGNMENT_METHOD, FIXString::from(v));
    }

    /// Gets `DerivativeInstrmtAssignmentMethod`, Tag 1255.
    pub fn get_derivative_instrmt_assignment_method(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeInstrmtAssignmentMethodField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_INSTRMT_ASSIGNMENT_METHOD, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeInstrmtAssignmentMethod` is present, Tag 1255.
    pub fn has_derivative_instrmt_assignment_method(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_INSTRMT_ASSIGNMENT_METHOD)
    }




    /// Sets `DerivativeIssueDate`, Tag 1276.
    pub fn set_derivative_issue_date(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_ISSUE_DATE, FIXString::from(v));
    }

    /// Gets `DerivativeIssueDate`, Tag 1276.
    pub fn get_derivative_issue_date(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeIssueDateField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_ISSUE_DATE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeIssueDate` is present, Tag 1276.
    pub fn has_derivative_issue_date(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_ISSUE_DATE)
    }




    /// Sets `DerivativeIssuer`, Tag 1275.
    pub fn set_derivative_issuer(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_ISSUER, FIXString::from(v));
    }

    /// Gets `DerivativeIssuer`, Tag 1275.
    pub fn get_derivative_issuer(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeIssuerField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_ISSUER, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeIssuer` is present, Tag 1275.
    pub fn has_derivative_issuer(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_ISSUER)
    }




    /// Sets `DerivativeListMethod`, Tag 1320.
    pub fn set_derivative_list_method(&mut self, v: isize) {
        self.message.body.set_field(tag::DERIVATIVE_LIST_METHOD, fixer::fix_int::FIXInt::from(v));
    }

    /// Gets `DerivativeListMethod`, Tag 1320.
    pub fn get_derivative_list_method(&self) -> Result<isize, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeListMethodField::new(0);
        self.message.body.get_field(tag::DERIVATIVE_LIST_METHOD, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `DerivativeListMethod` is present, Tag 1320.
    pub fn has_derivative_list_method(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_LIST_METHOD)
    }




    /// Sets `DerivativeLocaleOfIssue`, Tag 1260.
    pub fn set_derivative_locale_of_issue(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_LOCALE_OF_ISSUE, FIXString::from(v));
    }

    /// Gets `DerivativeLocaleOfIssue`, Tag 1260.
    pub fn get_derivative_locale_of_issue(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeLocaleOfIssueField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_LOCALE_OF_ISSUE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeLocaleOfIssue` is present, Tag 1260.
    pub fn has_derivative_locale_of_issue(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_LOCALE_OF_ISSUE)
    }




    /// Sets `DerivativeMaturityDate`, Tag 1252.
    pub fn set_derivative_maturity_date(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_MATURITY_DATE, FIXString::from(v));
    }

    /// Gets `DerivativeMaturityDate`, Tag 1252.
    pub fn get_derivative_maturity_date(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeMaturityDateField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_MATURITY_DATE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeMaturityDate` is present, Tag 1252.
    pub fn has_derivative_maturity_date(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_MATURITY_DATE)
    }




    /// Sets `DerivativeMaturityMonthYear`, Tag 1251.
    pub fn set_derivative_maturity_month_year(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_MATURITY_MONTH_YEAR, FIXString::from(v));
    }

    /// Gets `DerivativeMaturityMonthYear`, Tag 1251.
    pub fn get_derivative_maturity_month_year(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeMaturityMonthYearField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_MATURITY_MONTH_YEAR, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeMaturityMonthYear` is present, Tag 1251.
    pub fn has_derivative_maturity_month_year(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_MATURITY_MONTH_YEAR)
    }




    /// Sets `DerivativeMaturityTime`, Tag 1253.
    pub fn set_derivative_maturity_time(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_MATURITY_TIME, FIXString::from(v));
    }

    /// Gets `DerivativeMaturityTime`, Tag 1253.
    pub fn get_derivative_maturity_time(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeMaturityTimeField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_MATURITY_TIME, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeMaturityTime` is present, Tag 1253.
    pub fn has_derivative_maturity_time(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_MATURITY_TIME)
    }




    /// Sets `DerivativeMinPriceIncrement`, Tag 1267.
    pub fn set_derivative_min_price_increment(&mut self, val: Decimal, scale: i32) {
        self.message.body.set_field(tag::DERIVATIVE_MIN_PRICE_INCREMENT, fixer::fix_decimal::FIXDecimal { decimal: val, scale });
    }

    /// Gets `DerivativeMinPriceIncrement`, Tag 1267.
    pub fn get_derivative_min_price_increment(&self) -> Result<Decimal, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeMinPriceIncrementField::new(Decimal::ZERO, 0);
        self.message.body.get_field(tag::DERIVATIVE_MIN_PRICE_INCREMENT, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `DerivativeMinPriceIncrement` is present, Tag 1267.
    pub fn has_derivative_min_price_increment(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_MIN_PRICE_INCREMENT)
    }




    /// Sets `DerivativeMinPriceIncrementAmount`, Tag 1268.
    pub fn set_derivative_min_price_increment_amount(&mut self, val: Decimal, scale: i32) {
        self.message.body.set_field(tag::DERIVATIVE_MIN_PRICE_INCREMENT_AMOUNT, fixer::fix_decimal::FIXDecimal { decimal: val, scale });
    }

    /// Gets `DerivativeMinPriceIncrementAmount`, Tag 1268.
    pub fn get_derivative_min_price_increment_amount(&self) -> Result<Decimal, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeMinPriceIncrementAmountField::new(Decimal::ZERO, 0);
        self.message.body.get_field(tag::DERIVATIVE_MIN_PRICE_INCREMENT_AMOUNT, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `DerivativeMinPriceIncrementAmount` is present, Tag 1268.
    pub fn has_derivative_min_price_increment_amount(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_MIN_PRICE_INCREMENT_AMOUNT)
    }




    /// Sets `DerivativeNTPositionLimit`, Tag 1274.
    pub fn set_derivative_nt_position_limit(&mut self, v: isize) {
        self.message.body.set_field(tag::DERIVATIVE_NT_POSITION_LIMIT, fixer::fix_int::FIXInt::from(v));
    }

    /// Gets `DerivativeNTPositionLimit`, Tag 1274.
    pub fn get_derivative_nt_position_limit(&self) -> Result<isize, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeNTPositionLimitField::new(0);
        self.message.body.get_field(tag::DERIVATIVE_NT_POSITION_LIMIT, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `DerivativeNTPositionLimit` is present, Tag 1274.
    pub fn has_derivative_nt_position_limit(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_NT_POSITION_LIMIT)
    }




    /// Sets `DerivativeOptAttribute`, Tag 1265.
    pub fn set_derivative_opt_attribute(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_OPT_ATTRIBUTE, FIXString::from(v));
    }

    /// Gets `DerivativeOptAttribute`, Tag 1265.
    pub fn get_derivative_opt_attribute(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeOptAttributeField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_OPT_ATTRIBUTE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeOptAttribute` is present, Tag 1265.
    pub fn has_derivative_opt_attribute(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_OPT_ATTRIBUTE)
    }




    /// Sets `DerivativeOptPayAmount`, Tag 1225.
    pub fn set_derivative_opt_pay_amount(&mut self, val: Decimal, scale: i32) {
        self.message.body.set_field(tag::DERIVATIVE_OPT_PAY_AMOUNT, fixer::fix_decimal::FIXDecimal { decimal: val, scale });
    }

    /// Gets `DerivativeOptPayAmount`, Tag 1225.
    pub fn get_derivative_opt_pay_amount(&self) -> Result<Decimal, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeOptPayAmountField::new(Decimal::ZERO, 0);
        self.message.body.get_field(tag::DERIVATIVE_OPT_PAY_AMOUNT, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `DerivativeOptPayAmount` is present, Tag 1225.
    pub fn has_derivative_opt_pay_amount(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_OPT_PAY_AMOUNT)
    }




    /// Sets `DerivativePositionLimit`, Tag 1273.
    pub fn set_derivative_position_limit(&mut self, v: isize) {
        self.message.body.set_field(tag::DERIVATIVE_POSITION_LIMIT, fixer::fix_int::FIXInt::from(v));
    }

    /// Gets `DerivativePositionLimit`, Tag 1273.
    pub fn get_derivative_position_limit(&self) -> Result<isize, MessageRejectErrorEnum> {
        let mut fld = field::DerivativePositionLimitField::new(0);
        self.message.body.get_field(tag::DERIVATIVE_POSITION_LIMIT, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `DerivativePositionLimit` is present, Tag 1273.
    pub fn has_derivative_position_limit(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_POSITION_LIMIT)
    }




    /// Sets `DerivativePriceQuoteMethod`, Tag 1318.
    pub fn set_derivative_price_quote_method(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_PRICE_QUOTE_METHOD, FIXString::from(v));
    }

    /// Gets `DerivativePriceQuoteMethod`, Tag 1318.
    pub fn get_derivative_price_quote_method(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativePriceQuoteMethodField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_PRICE_QUOTE_METHOD, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativePriceQuoteMethod` is present, Tag 1318.
    pub fn has_derivative_price_quote_method(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_PRICE_QUOTE_METHOD)
    }




    /// Sets `DerivativePriceUnitOfMeasure`, Tag 1315.
    pub fn set_derivative_price_unit_of_measure(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_PRICE_UNIT_OF_MEASURE, FIXString::from(v));
    }

    /// Gets `DerivativePriceUnitOfMeasure`, Tag 1315.
    pub fn get_derivative_price_unit_of_measure(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativePriceUnitOfMeasureField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_PRICE_UNIT_OF_MEASURE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativePriceUnitOfMeasure` is present, Tag 1315.
    pub fn has_derivative_price_unit_of_measure(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_PRICE_UNIT_OF_MEASURE)
    }




    /// Sets `DerivativePriceUnitOfMeasureQty`, Tag 1316.
    pub fn set_derivative_price_unit_of_measure_qty(&mut self, val: Decimal, scale: i32) {
        self.message.body.set_field(tag::DERIVATIVE_PRICE_UNIT_OF_MEASURE_QTY, fixer::fix_decimal::FIXDecimal { decimal: val, scale });
    }

    /// Gets `DerivativePriceUnitOfMeasureQty`, Tag 1316.
    pub fn get_derivative_price_unit_of_measure_qty(&self) -> Result<Decimal, MessageRejectErrorEnum> {
        let mut fld = field::DerivativePriceUnitOfMeasureQtyField::new(Decimal::ZERO, 0);
        self.message.body.get_field(tag::DERIVATIVE_PRICE_UNIT_OF_MEASURE_QTY, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `DerivativePriceUnitOfMeasureQty` is present, Tag 1316.
    pub fn has_derivative_price_unit_of_measure_qty(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_PRICE_UNIT_OF_MEASURE_QTY)
    }




    /// Sets `DerivativeProduct`, Tag 1246.
    pub fn set_derivative_product(&mut self, v: isize) {
        self.message.body.set_field(tag::DERIVATIVE_PRODUCT, fixer::fix_int::FIXInt::from(v));
    }

    /// Gets `DerivativeProduct`, Tag 1246.
    pub fn get_derivative_product(&self) -> Result<isize, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeProductField::new(0);
        self.message.body.get_field(tag::DERIVATIVE_PRODUCT, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `DerivativeProduct` is present, Tag 1246.
    pub fn has_derivative_product(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_PRODUCT)
    }




    /// Sets `DerivativeProductComplex`, Tag 1228.
    pub fn set_derivative_product_complex(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_PRODUCT_COMPLEX, FIXString::from(v));
    }

    /// Gets `DerivativeProductComplex`, Tag 1228.
    pub fn get_derivative_product_complex(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeProductComplexField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_PRODUCT_COMPLEX, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeProductComplex` is present, Tag 1228.
    pub fn has_derivative_product_complex(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_PRODUCT_COMPLEX)
    }




    /// Sets `DerivativePutOrCall`, Tag 1323.
    pub fn set_derivative_put_or_call(&mut self, v: isize) {
        self.message.body.set_field(tag::DERIVATIVE_PUT_OR_CALL, fixer::fix_int::FIXInt::from(v));
    }

    /// Gets `DerivativePutOrCall`, Tag 1323.
    pub fn get_derivative_put_or_call(&self) -> Result<isize, MessageRejectErrorEnum> {
        let mut fld = field::DerivativePutOrCallField::new(0);
        self.message.body.get_field(tag::DERIVATIVE_PUT_OR_CALL, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `DerivativePutOrCall` is present, Tag 1323.
    pub fn has_derivative_put_or_call(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_PUT_OR_CALL)
    }




    /// Sets `DerivativeSecurityDesc`, Tag 1279.
    pub fn set_derivative_security_desc(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_SECURITY_DESC, FIXString::from(v));
    }

    /// Gets `DerivativeSecurityDesc`, Tag 1279.
    pub fn get_derivative_security_desc(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeSecurityDescField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_SECURITY_DESC, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeSecurityDesc` is present, Tag 1279.
    pub fn has_derivative_security_desc(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_SECURITY_DESC)
    }




    /// Sets `DerivativeSecurityExchange`, Tag 1272.
    pub fn set_derivative_security_exchange(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_SECURITY_EXCHANGE, FIXString::from(v));
    }

    /// Gets `DerivativeSecurityExchange`, Tag 1272.
    pub fn get_derivative_security_exchange(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeSecurityExchangeField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_SECURITY_EXCHANGE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeSecurityExchange` is present, Tag 1272.
    pub fn has_derivative_security_exchange(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_SECURITY_EXCHANGE)
    }




    /// Sets `DerivativeSecurityGroup`, Tag 1247.
    pub fn set_derivative_security_group(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_SECURITY_GROUP, FIXString::from(v));
    }

    /// Gets `DerivativeSecurityGroup`, Tag 1247.
    pub fn get_derivative_security_group(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeSecurityGroupField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_SECURITY_GROUP, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeSecurityGroup` is present, Tag 1247.
    pub fn has_derivative_security_group(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_SECURITY_GROUP)
    }




    /// Sets `DerivativeSecurityID`, Tag 1216.
    pub fn set_derivative_security_id(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_SECURITY_ID, FIXString::from(v));
    }

    /// Gets `DerivativeSecurityID`, Tag 1216.
    pub fn get_derivative_security_id(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeSecurityIDField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_SECURITY_ID, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeSecurityID` is present, Tag 1216.
    pub fn has_derivative_security_id(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_SECURITY_ID)
    }




    /// Sets `DerivativeSecurityIDSource`, Tag 1217.
    pub fn set_derivative_security_id_source(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_SECURITY_ID_SOURCE, FIXString::from(v));
    }

    /// Gets `DerivativeSecurityIDSource`, Tag 1217.
    pub fn get_derivative_security_id_source(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeSecurityIDSourceField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_SECURITY_ID_SOURCE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeSecurityIDSource` is present, Tag 1217.
    pub fn has_derivative_security_id_source(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_SECURITY_ID_SOURCE)
    }




    /// Sets `DerivativeSecurityStatus`, Tag 1256.
    pub fn set_derivative_security_status(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_SECURITY_STATUS, FIXString::from(v));
    }

    /// Gets `DerivativeSecurityStatus`, Tag 1256.
    pub fn get_derivative_security_status(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeSecurityStatusField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_SECURITY_STATUS, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeSecurityStatus` is present, Tag 1256.
    pub fn has_derivative_security_status(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_SECURITY_STATUS)
    }




    /// Sets `DerivativeSecuritySubType`, Tag 1250.
    pub fn set_derivative_security_sub_type(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_SECURITY_SUB_TYPE, FIXString::from(v));
    }

    /// Gets `DerivativeSecuritySubType`, Tag 1250.
    pub fn get_derivative_security_sub_type(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeSecuritySubTypeField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_SECURITY_SUB_TYPE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeSecuritySubType` is present, Tag 1250.
    pub fn has_derivative_security_sub_type(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_SECURITY_SUB_TYPE)
    }




    /// Sets `DerivativeSecurityType`, Tag 1249.
    pub fn set_derivative_security_type(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_SECURITY_TYPE, FIXString::from(v));
    }

    /// Gets `DerivativeSecurityType`, Tag 1249.
    pub fn get_derivative_security_type(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeSecurityTypeField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_SECURITY_TYPE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeSecurityType` is present, Tag 1249.
    pub fn has_derivative_security_type(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_SECURITY_TYPE)
    }




    /// Sets `DerivativeSecurityXML`, Tag 1283.
    pub fn set_derivative_security_xml(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_SECURITY_XML, FIXString::from(v));
    }

    /// Gets `DerivativeSecurityXML`, Tag 1283.
    pub fn get_derivative_security_xml(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeSecurityXMLField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_SECURITY_XML, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeSecurityXML` is present, Tag 1283.
    pub fn has_derivative_security_xml(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_SECURITY_XML)
    }




    /// Sets `DerivativeSecurityXMLLen`, Tag 1282.
    pub fn set_derivative_security_xml_len(&mut self, v: isize) {
        self.message.body.set_field(tag::DERIVATIVE_SECURITY_XML_LEN, fixer::fix_int::FIXInt::from(v));
    }

    /// Gets `DerivativeSecurityXMLLen`, Tag 1282.
    pub fn get_derivative_security_xml_len(&self) -> Result<isize, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeSecurityXMLLenField::new(0);
        self.message.body.get_field(tag::DERIVATIVE_SECURITY_XML_LEN, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `DerivativeSecurityXMLLen` is present, Tag 1282.
    pub fn has_derivative_security_xml_len(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_SECURITY_XML_LEN)
    }




    /// Sets `DerivativeSecurityXMLSchema`, Tag 1284.
    pub fn set_derivative_security_xml_schema(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_SECURITY_XML_SCHEMA, FIXString::from(v));
    }

    /// Gets `DerivativeSecurityXMLSchema`, Tag 1284.
    pub fn get_derivative_security_xml_schema(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeSecurityXMLSchemaField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_SECURITY_XML_SCHEMA, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeSecurityXMLSchema` is present, Tag 1284.
    pub fn has_derivative_security_xml_schema(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_SECURITY_XML_SCHEMA)
    }




    /// Sets `DerivativeSettlMethod`, Tag 1317.
    pub fn set_derivative_settl_method(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_SETTL_METHOD, FIXString::from(v));
    }

    /// Gets `DerivativeSettlMethod`, Tag 1317.
    pub fn get_derivative_settl_method(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeSettlMethodField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_SETTL_METHOD, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeSettlMethod` is present, Tag 1317.
    pub fn has_derivative_settl_method(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_SETTL_METHOD)
    }




    /// Sets `DerivativeSettleOnOpenFlag`, Tag 1254.
    pub fn set_derivative_settle_on_open_flag(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_SETTLE_ON_OPEN_FLAG, FIXString::from(v));
    }

    /// Gets `DerivativeSettleOnOpenFlag`, Tag 1254.
    pub fn get_derivative_settle_on_open_flag(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeSettleOnOpenFlagField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_SETTLE_ON_OPEN_FLAG, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeSettleOnOpenFlag` is present, Tag 1254.
    pub fn has_derivative_settle_on_open_flag(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_SETTLE_ON_OPEN_FLAG)
    }




    /// Sets `DerivativeStateOrProvinceOfIssue`, Tag 1259.
    pub fn set_derivative_state_or_province_of_issue(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_STATE_OR_PROVINCE_OF_ISSUE, FIXString::from(v));
    }

    /// Gets `DerivativeStateOrProvinceOfIssue`, Tag 1259.
    pub fn get_derivative_state_or_province_of_issue(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeStateOrProvinceOfIssueField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_STATE_OR_PROVINCE_OF_ISSUE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeStateOrProvinceOfIssue` is present, Tag 1259.
    pub fn has_derivative_state_or_province_of_issue(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_STATE_OR_PROVINCE_OF_ISSUE)
    }




    /// Sets `DerivativeStrikeCurrency`, Tag 1262.
    pub fn set_derivative_strike_currency(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_STRIKE_CURRENCY, FIXString::from(v));
    }

    /// Gets `DerivativeStrikeCurrency`, Tag 1262.
    pub fn get_derivative_strike_currency(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeStrikeCurrencyField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_STRIKE_CURRENCY, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeStrikeCurrency` is present, Tag 1262.
    pub fn has_derivative_strike_currency(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_STRIKE_CURRENCY)
    }




    /// Sets `DerivativeStrikeMultiplier`, Tag 1263.
    pub fn set_derivative_strike_multiplier(&mut self, val: Decimal, scale: i32) {
        self.message.body.set_field(tag::DERIVATIVE_STRIKE_MULTIPLIER, fixer::fix_decimal::FIXDecimal { decimal: val, scale });
    }

    /// Gets `DerivativeStrikeMultiplier`, Tag 1263.
    pub fn get_derivative_strike_multiplier(&self) -> Result<Decimal, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeStrikeMultiplierField::new(Decimal::ZERO, 0);
        self.message.body.get_field(tag::DERIVATIVE_STRIKE_MULTIPLIER, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `DerivativeStrikeMultiplier` is present, Tag 1263.
    pub fn has_derivative_strike_multiplier(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_STRIKE_MULTIPLIER)
    }




    /// Sets `DerivativeStrikePrice`, Tag 1261.
    pub fn set_derivative_strike_price(&mut self, val: Decimal, scale: i32) {
        self.message.body.set_field(tag::DERIVATIVE_STRIKE_PRICE, fixer::fix_decimal::FIXDecimal { decimal: val, scale });
    }

    /// Gets `DerivativeStrikePrice`, Tag 1261.
    pub fn get_derivative_strike_price(&self) -> Result<Decimal, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeStrikePriceField::new(Decimal::ZERO, 0);
        self.message.body.get_field(tag::DERIVATIVE_STRIKE_PRICE, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `DerivativeStrikePrice` is present, Tag 1261.
    pub fn has_derivative_strike_price(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_STRIKE_PRICE)
    }




    /// Sets `DerivativeStrikeValue`, Tag 1264.
    pub fn set_derivative_strike_value(&mut self, val: Decimal, scale: i32) {
        self.message.body.set_field(tag::DERIVATIVE_STRIKE_VALUE, fixer::fix_decimal::FIXDecimal { decimal: val, scale });
    }

    /// Gets `DerivativeStrikeValue`, Tag 1264.
    pub fn get_derivative_strike_value(&self) -> Result<Decimal, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeStrikeValueField::new(Decimal::ZERO, 0);
        self.message.body.get_field(tag::DERIVATIVE_STRIKE_VALUE, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `DerivativeStrikeValue` is present, Tag 1264.
    pub fn has_derivative_strike_value(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_STRIKE_VALUE)
    }




    /// Sets `DerivativeSymbol`, Tag 1214.
    pub fn set_derivative_symbol(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_SYMBOL, FIXString::from(v));
    }

    /// Gets `DerivativeSymbol`, Tag 1214.
    pub fn get_derivative_symbol(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeSymbolField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_SYMBOL, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeSymbol` is present, Tag 1214.
    pub fn has_derivative_symbol(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_SYMBOL)
    }




    /// Sets `DerivativeSymbolSfx`, Tag 1215.
    pub fn set_derivative_symbol_sfx(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_SYMBOL_SFX, FIXString::from(v));
    }

    /// Gets `DerivativeSymbolSfx`, Tag 1215.
    pub fn get_derivative_symbol_sfx(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeSymbolSfxField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_SYMBOL_SFX, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeSymbolSfx` is present, Tag 1215.
    pub fn has_derivative_symbol_sfx(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_SYMBOL_SFX)
    }




    /// Sets `DerivativeTimeUnit`, Tag 1271.
    pub fn set_derivative_time_unit(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_TIME_UNIT, FIXString::from(v));
    }

    /// Gets `DerivativeTimeUnit`, Tag 1271.
    pub fn get_derivative_time_unit(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeTimeUnitField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_TIME_UNIT, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeTimeUnit` is present, Tag 1271.
    pub fn has_derivative_time_unit(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_TIME_UNIT)
    }




    /// Sets `DerivativeUnitOfMeasure`, Tag 1269.
    pub fn set_derivative_unit_of_measure(&mut self, v: String) {
        self.message.body.set_field(tag::DERIVATIVE_UNIT_OF_MEASURE, FIXString::from(v));
    }

    /// Gets `DerivativeUnitOfMeasure`, Tag 1269.
    pub fn get_derivative_unit_of_measure(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeUnitOfMeasureField::new(String::new());
        self.message.body.get_field(tag::DERIVATIVE_UNIT_OF_MEASURE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `DerivativeUnitOfMeasure` is present, Tag 1269.
    pub fn has_derivative_unit_of_measure(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_UNIT_OF_MEASURE)
    }




    /// Sets `DerivativeUnitOfMeasureQty`, Tag 1270.
    pub fn set_derivative_unit_of_measure_qty(&mut self, val: Decimal, scale: i32) {
        self.message.body.set_field(tag::DERIVATIVE_UNIT_OF_MEASURE_QTY, fixer::fix_decimal::FIXDecimal { decimal: val, scale });
    }

    /// Gets `DerivativeUnitOfMeasureQty`, Tag 1270.
    pub fn get_derivative_unit_of_measure_qty(&self) -> Result<Decimal, MessageRejectErrorEnum> {
        let mut fld = field::DerivativeUnitOfMeasureQtyField::new(Decimal::ZERO, 0);
        self.message.body.get_field(tag::DERIVATIVE_UNIT_OF_MEASURE_QTY, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `DerivativeUnitOfMeasureQty` is present, Tag 1270.
    pub fn has_derivative_unit_of_measure_qty(&self) -> bool {
        self.message.body.has(tag::DERIVATIVE_UNIT_OF_MEASURE_QTY)
    }




    /// Sets `EncodedText`, Tag 355.
    pub fn set_encoded_text(&mut self, v: String) {
        self.message.body.set_field(tag::ENCODED_TEXT, FIXString::from(v));
    }

    /// Gets `EncodedText`, Tag 355.
    pub fn get_encoded_text(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::EncodedTextField::new(String::new());
        self.message.body.get_field(tag::ENCODED_TEXT, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `EncodedText` is present, Tag 355.
    pub fn has_encoded_text(&self) -> bool {
        self.message.body.has(tag::ENCODED_TEXT)
    }




    /// Sets `EncodedTextLen`, Tag 354.
    pub fn set_encoded_text_len(&mut self, v: isize) {
        self.message.body.set_field(tag::ENCODED_TEXT_LEN, fixer::fix_int::FIXInt::from(v));
    }

    /// Gets `EncodedTextLen`, Tag 354.
    pub fn get_encoded_text_len(&self) -> Result<isize, MessageRejectErrorEnum> {
        let mut fld = field::EncodedTextLenField::new(0);
        self.message.body.get_field(tag::ENCODED_TEXT_LEN, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `EncodedTextLen` is present, Tag 354.
    pub fn has_encoded_text_len(&self) -> bool {
        self.message.body.has(tag::ENCODED_TEXT_LEN)
    }




    /// Sets `EncodedUnderlyingIssuer`, Tag 363.
    pub fn set_encoded_underlying_issuer(&mut self, v: String) {
        self.message.body.set_field(tag::ENCODED_UNDERLYING_ISSUER, FIXString::from(v));
    }

    /// Gets `EncodedUnderlyingIssuer`, Tag 363.
    pub fn get_encoded_underlying_issuer(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::EncodedUnderlyingIssuerField::new(String::new());
        self.message.body.get_field(tag::ENCODED_UNDERLYING_ISSUER, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `EncodedUnderlyingIssuer` is present, Tag 363.
    pub fn has_encoded_underlying_issuer(&self) -> bool {
        self.message.body.has(tag::ENCODED_UNDERLYING_ISSUER)
    }




    /// Sets `EncodedUnderlyingIssuerLen`, Tag 362.
    pub fn set_encoded_underlying_issuer_len(&mut self, v: isize) {
        self.message.body.set_field(tag::ENCODED_UNDERLYING_ISSUER_LEN, fixer::fix_int::FIXInt::from(v));
    }

    /// Gets `EncodedUnderlyingIssuerLen`, Tag 362.
    pub fn get_encoded_underlying_issuer_len(&self) -> Result<isize, MessageRejectErrorEnum> {
        let mut fld = field::EncodedUnderlyingIssuerLenField::new(0);
        self.message.body.get_field(tag::ENCODED_UNDERLYING_ISSUER_LEN, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `EncodedUnderlyingIssuerLen` is present, Tag 362.
    pub fn has_encoded_underlying_issuer_len(&self) -> bool {
        self.message.body.has(tag::ENCODED_UNDERLYING_ISSUER_LEN)
    }




    /// Sets `EncodedUnderlyingSecurityDesc`, Tag 365.
    pub fn set_encoded_underlying_security_desc(&mut self, v: String) {
        self.message.body.set_field(tag::ENCODED_UNDERLYING_SECURITY_DESC, FIXString::from(v));
    }

    /// Gets `EncodedUnderlyingSecurityDesc`, Tag 365.
    pub fn get_encoded_underlying_security_desc(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::EncodedUnderlyingSecurityDescField::new(String::new());
        self.message.body.get_field(tag::ENCODED_UNDERLYING_SECURITY_DESC, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `EncodedUnderlyingSecurityDesc` is present, Tag 365.
    pub fn has_encoded_underlying_security_desc(&self) -> bool {
        self.message.body.has(tag::ENCODED_UNDERLYING_SECURITY_DESC)
    }




    /// Sets `EncodedUnderlyingSecurityDescLen`, Tag 364.
    pub fn set_encoded_underlying_security_desc_len(&mut self, v: isize) {
        self.message.body.set_field(tag::ENCODED_UNDERLYING_SECURITY_DESC_LEN, fixer::fix_int::FIXInt::from(v));
    }

    /// Gets `EncodedUnderlyingSecurityDescLen`, Tag 364.
    pub fn get_encoded_underlying_security_desc_len(&self) -> Result<isize, MessageRejectErrorEnum> {
        let mut fld = field::EncodedUnderlyingSecurityDescLenField::new(0);
        self.message.body.get_field(tag::ENCODED_UNDERLYING_SECURITY_DESC_LEN, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `EncodedUnderlyingSecurityDescLen` is present, Tag 364.
    pub fn has_encoded_underlying_security_desc_len(&self) -> bool {
        self.message.body.has(tag::ENCODED_UNDERLYING_SECURITY_DESC_LEN)
    }




    /// Sets `MarketID`, Tag 1301.
    pub fn set_market_id(&mut self, v: String) {
        self.message.body.set_field(tag::MARKET_ID, FIXString::from(v));
    }

    /// Gets `MarketID`, Tag 1301.
    pub fn get_market_id(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::MarketIDField::new(String::new());
        self.message.body.get_field(tag::MARKET_ID, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `MarketID` is present, Tag 1301.
    pub fn has_market_id(&self) -> bool {
        self.message.body.has(tag::MARKET_ID)
    }




    /// Sets `MarketSegmentID`, Tag 1300.
    pub fn set_market_segment_id(&mut self, v: String) {
        self.message.body.set_field(tag::MARKET_SEGMENT_ID, FIXString::from(v));
    }

    /// Gets `MarketSegmentID`, Tag 1300.
    pub fn get_market_segment_id(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::MarketSegmentIDField::new(String::new());
        self.message.body.get_field(tag::MARKET_SEGMENT_ID, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `MarketSegmentID` is present, Tag 1300.
    pub fn has_market_segment_id(&self) -> bool {
        self.message.body.has(tag::MARKET_SEGMENT_ID)
    }




    /// Sets `NoDerivativeEvents`, Tag 1286.
    pub fn set_no_derivative_events(&mut self, v: isize) {
        self.message.body.set_field(tag::NO_DERIVATIVE_EVENTS, fixer::fix_int::FIXInt::from(v));
    }

    /// Gets `NoDerivativeEvents`, Tag 1286.
    pub fn get_no_derivative_events(&self) -> Result<isize, MessageRejectErrorEnum> {
        let mut fld = field::NoDerivativeEventsField::new(0);
        self.message.body.get_field(tag::NO_DERIVATIVE_EVENTS, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `NoDerivativeEvents` is present, Tag 1286.
    pub fn has_no_derivative_events(&self) -> bool {
        self.message.body.has(tag::NO_DERIVATIVE_EVENTS)
    }




    /// Sets `NoDerivativeInstrumentParties`, Tag 1292.
    pub fn set_no_derivative_instrument_parties(&mut self, v: isize) {
        self.message.body.set_field(tag::NO_DERIVATIVE_INSTRUMENT_PARTIES, fixer::fix_int::FIXInt::from(v));
    }

    /// Gets `NoDerivativeInstrumentParties`, Tag 1292.
    pub fn get_no_derivative_instrument_parties(&self) -> Result<isize, MessageRejectErrorEnum> {
        let mut fld = field::NoDerivativeInstrumentPartiesField::new(0);
        self.message.body.get_field(tag::NO_DERIVATIVE_INSTRUMENT_PARTIES, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `NoDerivativeInstrumentParties` is present, Tag 1292.
    pub fn has_no_derivative_instrument_parties(&self) -> bool {
        self.message.body.has(tag::NO_DERIVATIVE_INSTRUMENT_PARTIES)
    }




    /// Sets `NoDerivativeSecurityAltID`, Tag 1218.
    pub fn set_no_derivative_security_alt_id(&mut self, v: isize) {
        self.message.body.set_field(tag::NO_DERIVATIVE_SECURITY_ALT_ID, fixer::fix_int::FIXInt::from(v));
    }

    /// Gets `NoDerivativeSecurityAltID`, Tag 1218.
    pub fn get_no_derivative_security_alt_id(&self) -> Result<isize, MessageRejectErrorEnum> {
        let mut fld = field::NoDerivativeSecurityAltIDField::new(0);
        self.message.body.get_field(tag::NO_DERIVATIVE_SECURITY_ALT_ID, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `NoDerivativeSecurityAltID` is present, Tag 1218.
    pub fn has_no_derivative_security_alt_id(&self) -> bool {
        self.message.body.has(tag::NO_DERIVATIVE_SECURITY_ALT_ID)
    }




    /// Sets `NoUnderlyingSecurityAltID`, Tag 457.
    pub fn set_no_underlying_security_alt_id(&mut self, v: isize) {
        self.message.body.set_field(tag::NO_UNDERLYING_SECURITY_ALT_ID, fixer::fix_int::FIXInt::from(v));
    }

    /// Gets `NoUnderlyingSecurityAltID`, Tag 457.
    pub fn get_no_underlying_security_alt_id(&self) -> Result<isize, MessageRejectErrorEnum> {
        let mut fld = field::NoUnderlyingSecurityAltIDField::new(0);
        self.message.body.get_field(tag::NO_UNDERLYING_SECURITY_ALT_ID, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `NoUnderlyingSecurityAltID` is present, Tag 457.
    pub fn has_no_underlying_security_alt_id(&self) -> bool {
        self.message.body.has(tag::NO_UNDERLYING_SECURITY_ALT_ID)
    }




    /// Sets `NoUnderlyingStips`, Tag 887.
    pub fn set_no_underlying_stips(&mut self, v: isize) {
        self.message.body.set_field(tag::NO_UNDERLYING_STIPS, fixer::fix_int::FIXInt::from(v));
    }

    /// Gets `NoUnderlyingStips`, Tag 887.
    pub fn get_no_underlying_stips(&self) -> Result<isize, MessageRejectErrorEnum> {
        let mut fld = field::NoUnderlyingStipsField::new(0);
        self.message.body.get_field(tag::NO_UNDERLYING_STIPS, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `NoUnderlyingStips` is present, Tag 887.
    pub fn has_no_underlying_stips(&self) -> bool {
        self.message.body.has(tag::NO_UNDERLYING_STIPS)
    }




    /// Sets `NoUndlyInstrumentParties`, Tag 1058.
    pub fn set_no_undly_instrument_parties(&mut self, v: isize) {
        self.message.body.set_field(tag::NO_UNDLY_INSTRUMENT_PARTIES, fixer::fix_int::FIXInt::from(v));
    }

    /// Gets `NoUndlyInstrumentParties`, Tag 1058.
    pub fn get_no_undly_instrument_parties(&self) -> Result<isize, MessageRejectErrorEnum> {
        let mut fld = field::NoUndlyInstrumentPartiesField::new(0);
        self.message.body.get_field(tag::NO_UNDLY_INSTRUMENT_PARTIES, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `NoUndlyInstrumentParties` is present, Tag 1058.
    pub fn has_no_undly_instrument_parties(&self) -> bool {
        self.message.body.has(tag::NO_UNDLY_INSTRUMENT_PARTIES)
    }




    /// Sets `SecurityListRequestType`, Tag 559.
    pub fn set_security_list_request_type(&mut self, v: isize) {
        self.message.body.set_field(tag::SECURITY_LIST_REQUEST_TYPE, fixer::fix_int::FIXInt::from(v));
    }

    /// Gets `SecurityListRequestType`, Tag 559.
    pub fn get_security_list_request_type(&self) -> Result<isize, MessageRejectErrorEnum> {
        let mut fld = field::SecurityListRequestTypeField::new(0);
        self.message.body.get_field(tag::SECURITY_LIST_REQUEST_TYPE, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `SecurityListRequestType` is present, Tag 559.
    pub fn has_security_list_request_type(&self) -> bool {
        self.message.body.has(tag::SECURITY_LIST_REQUEST_TYPE)
    }




    /// Sets `SecurityReqID`, Tag 320.
    pub fn set_security_req_id(&mut self, v: String) {
        self.message.body.set_field(tag::SECURITY_REQ_ID, FIXString::from(v));
    }

    /// Gets `SecurityReqID`, Tag 320.
    pub fn get_security_req_id(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::SecurityReqIDField::new(String::new());
        self.message.body.get_field(tag::SECURITY_REQ_ID, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `SecurityReqID` is present, Tag 320.
    pub fn has_security_req_id(&self) -> bool {
        self.message.body.has(tag::SECURITY_REQ_ID)
    }




    /// Sets `SecuritySubType`, Tag 762.
    pub fn set_security_sub_type(&mut self, v: String) {
        self.message.body.set_field(tag::SECURITY_SUB_TYPE, FIXString::from(v));
    }

    /// Gets `SecuritySubType`, Tag 762.
    pub fn get_security_sub_type(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::SecuritySubTypeField::new(String::new());
        self.message.body.get_field(tag::SECURITY_SUB_TYPE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `SecuritySubType` is present, Tag 762.
    pub fn has_security_sub_type(&self) -> bool {
        self.message.body.has(tag::SECURITY_SUB_TYPE)
    }




    /// Sets `SubscriptionRequestType`, Tag 263.
    pub fn set_subscription_request_type(&mut self, v: String) {
        self.message.body.set_field(tag::SUBSCRIPTION_REQUEST_TYPE, FIXString::from(v));
    }

    /// Gets `SubscriptionRequestType`, Tag 263.
    pub fn get_subscription_request_type(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::SubscriptionRequestTypeField::new(String::new());
        self.message.body.get_field(tag::SUBSCRIPTION_REQUEST_TYPE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `SubscriptionRequestType` is present, Tag 263.
    pub fn has_subscription_request_type(&self) -> bool {
        self.message.body.has(tag::SUBSCRIPTION_REQUEST_TYPE)
    }




    /// Sets `Text`, Tag 58.
    pub fn set_text(&mut self, v: String) {
        self.message.body.set_field(tag::TEXT, FIXString::from(v));
    }

    /// Gets `Text`, Tag 58.
    pub fn get_text(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::TextField::new(String::new());
        self.message.body.get_field(tag::TEXT, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `Text` is present, Tag 58.
    pub fn has_text(&self) -> bool {
        self.message.body.has(tag::TEXT)
    }




    /// Sets `TradingSessionID`, Tag 336.
    pub fn set_trading_session_id(&mut self, v: String) {
        self.message.body.set_field(tag::TRADING_SESSION_ID, FIXString::from(v));
    }

    /// Gets `TradingSessionID`, Tag 336.
    pub fn get_trading_session_id(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::TradingSessionIDField::new(String::new());
        self.message.body.get_field(tag::TRADING_SESSION_ID, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `TradingSessionID` is present, Tag 336.
    pub fn has_trading_session_id(&self) -> bool {
        self.message.body.has(tag::TRADING_SESSION_ID)
    }




    /// Sets `TradingSessionSubID`, Tag 625.
    pub fn set_trading_session_sub_id(&mut self, v: String) {
        self.message.body.set_field(tag::TRADING_SESSION_SUB_ID, FIXString::from(v));
    }

    /// Gets `TradingSessionSubID`, Tag 625.
    pub fn get_trading_session_sub_id(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::TradingSessionSubIDField::new(String::new());
        self.message.body.get_field(tag::TRADING_SESSION_SUB_ID, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `TradingSessionSubID` is present, Tag 625.
    pub fn has_trading_session_sub_id(&self) -> bool {
        self.message.body.has(tag::TRADING_SESSION_SUB_ID)
    }




    /// Sets `UnderlyingAdjustedQuantity`, Tag 1044.
    pub fn set_underlying_adjusted_quantity(&mut self, val: Decimal, scale: i32) {
        self.message.body.set_field(tag::UNDERLYING_ADJUSTED_QUANTITY, fixer::fix_decimal::FIXDecimal { decimal: val, scale });
    }

    /// Gets `UnderlyingAdjustedQuantity`, Tag 1044.
    pub fn get_underlying_adjusted_quantity(&self) -> Result<Decimal, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingAdjustedQuantityField::new(Decimal::ZERO, 0);
        self.message.body.get_field(tag::UNDERLYING_ADJUSTED_QUANTITY, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `UnderlyingAdjustedQuantity` is present, Tag 1044.
    pub fn has_underlying_adjusted_quantity(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_ADJUSTED_QUANTITY)
    }




    /// Sets `UnderlyingAllocationPercent`, Tag 972.
    pub fn set_underlying_allocation_percent(&mut self, val: Decimal, scale: i32) {
        self.message.body.set_field(tag::UNDERLYING_ALLOCATION_PERCENT, fixer::fix_decimal::FIXDecimal { decimal: val, scale });
    }

    /// Gets `UnderlyingAllocationPercent`, Tag 972.
    pub fn get_underlying_allocation_percent(&self) -> Result<Decimal, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingAllocationPercentField::new(Decimal::ZERO, 0);
        self.message.body.get_field(tag::UNDERLYING_ALLOCATION_PERCENT, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `UnderlyingAllocationPercent` is present, Tag 972.
    pub fn has_underlying_allocation_percent(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_ALLOCATION_PERCENT)
    }




    /// Sets `UnderlyingCFICode`, Tag 463.
    pub fn set_underlying_cfi_code(&mut self, v: String) {
        self.message.body.set_field(tag::UNDERLYING_CFI_CODE, FIXString::from(v));
    }

    /// Gets `UnderlyingCFICode`, Tag 463.
    pub fn get_underlying_cfi_code(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingCFICodeField::new(String::new());
        self.message.body.get_field(tag::UNDERLYING_CFI_CODE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `UnderlyingCFICode` is present, Tag 463.
    pub fn has_underlying_cfi_code(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_CFI_CODE)
    }




    /// Sets `UnderlyingCPProgram`, Tag 877.
    pub fn set_underlying_cp_program(&mut self, v: String) {
        self.message.body.set_field(tag::UNDERLYING_CP_PROGRAM, FIXString::from(v));
    }

    /// Gets `UnderlyingCPProgram`, Tag 877.
    pub fn get_underlying_cp_program(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingCPProgramField::new(String::new());
        self.message.body.get_field(tag::UNDERLYING_CP_PROGRAM, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `UnderlyingCPProgram` is present, Tag 877.
    pub fn has_underlying_cp_program(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_CP_PROGRAM)
    }




    /// Sets `UnderlyingCPRegType`, Tag 878.
    pub fn set_underlying_cp_reg_type(&mut self, v: String) {
        self.message.body.set_field(tag::UNDERLYING_CP_REG_TYPE, FIXString::from(v));
    }

    /// Gets `UnderlyingCPRegType`, Tag 878.
    pub fn get_underlying_cp_reg_type(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingCPRegTypeField::new(String::new());
        self.message.body.get_field(tag::UNDERLYING_CP_REG_TYPE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `UnderlyingCPRegType` is present, Tag 878.
    pub fn has_underlying_cp_reg_type(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_CP_REG_TYPE)
    }




    /// Sets `UnderlyingCapValue`, Tag 1038.
    pub fn set_underlying_cap_value(&mut self, val: Decimal, scale: i32) {
        self.message.body.set_field(tag::UNDERLYING_CAP_VALUE, fixer::fix_decimal::FIXDecimal { decimal: val, scale });
    }

    /// Gets `UnderlyingCapValue`, Tag 1038.
    pub fn get_underlying_cap_value(&self) -> Result<Decimal, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingCapValueField::new(Decimal::ZERO, 0);
        self.message.body.get_field(tag::UNDERLYING_CAP_VALUE, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `UnderlyingCapValue` is present, Tag 1038.
    pub fn has_underlying_cap_value(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_CAP_VALUE)
    }




    /// Sets `UnderlyingCashAmount`, Tag 973.
    pub fn set_underlying_cash_amount(&mut self, val: Decimal, scale: i32) {
        self.message.body.set_field(tag::UNDERLYING_CASH_AMOUNT, fixer::fix_decimal::FIXDecimal { decimal: val, scale });
    }

    /// Gets `UnderlyingCashAmount`, Tag 973.
    pub fn get_underlying_cash_amount(&self) -> Result<Decimal, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingCashAmountField::new(Decimal::ZERO, 0);
        self.message.body.get_field(tag::UNDERLYING_CASH_AMOUNT, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `UnderlyingCashAmount` is present, Tag 973.
    pub fn has_underlying_cash_amount(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_CASH_AMOUNT)
    }




    /// Sets `UnderlyingCashType`, Tag 974.
    pub fn set_underlying_cash_type(&mut self, v: String) {
        self.message.body.set_field(tag::UNDERLYING_CASH_TYPE, FIXString::from(v));
    }

    /// Gets `UnderlyingCashType`, Tag 974.
    pub fn get_underlying_cash_type(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingCashTypeField::new(String::new());
        self.message.body.get_field(tag::UNDERLYING_CASH_TYPE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `UnderlyingCashType` is present, Tag 974.
    pub fn has_underlying_cash_type(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_CASH_TYPE)
    }




    /// Sets `UnderlyingContractMultiplier`, Tag 436.
    pub fn set_underlying_contract_multiplier(&mut self, val: Decimal, scale: i32) {
        self.message.body.set_field(tag::UNDERLYING_CONTRACT_MULTIPLIER, fixer::fix_decimal::FIXDecimal { decimal: val, scale });
    }

    /// Gets `UnderlyingContractMultiplier`, Tag 436.
    pub fn get_underlying_contract_multiplier(&self) -> Result<Decimal, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingContractMultiplierField::new(Decimal::ZERO, 0);
        self.message.body.get_field(tag::UNDERLYING_CONTRACT_MULTIPLIER, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `UnderlyingContractMultiplier` is present, Tag 436.
    pub fn has_underlying_contract_multiplier(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_CONTRACT_MULTIPLIER)
    }




    /// Sets `UnderlyingCountryOfIssue`, Tag 592.
    pub fn set_underlying_country_of_issue(&mut self, v: String) {
        self.message.body.set_field(tag::UNDERLYING_COUNTRY_OF_ISSUE, FIXString::from(v));
    }

    /// Gets `UnderlyingCountryOfIssue`, Tag 592.
    pub fn get_underlying_country_of_issue(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingCountryOfIssueField::new(String::new());
        self.message.body.get_field(tag::UNDERLYING_COUNTRY_OF_ISSUE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `UnderlyingCountryOfIssue` is present, Tag 592.
    pub fn has_underlying_country_of_issue(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_COUNTRY_OF_ISSUE)
    }




    /// Sets `UnderlyingCouponPaymentDate`, Tag 241.
    pub fn set_underlying_coupon_payment_date(&mut self, v: String) {
        self.message.body.set_field(tag::UNDERLYING_COUPON_PAYMENT_DATE, FIXString::from(v));
    }

    /// Gets `UnderlyingCouponPaymentDate`, Tag 241.
    pub fn get_underlying_coupon_payment_date(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingCouponPaymentDateField::new(String::new());
        self.message.body.get_field(tag::UNDERLYING_COUPON_PAYMENT_DATE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `UnderlyingCouponPaymentDate` is present, Tag 241.
    pub fn has_underlying_coupon_payment_date(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_COUPON_PAYMENT_DATE)
    }




    /// Sets `UnderlyingCouponRate`, Tag 435.
    pub fn set_underlying_coupon_rate(&mut self, val: Decimal, scale: i32) {
        self.message.body.set_field(tag::UNDERLYING_COUPON_RATE, fixer::fix_decimal::FIXDecimal { decimal: val, scale });
    }

    /// Gets `UnderlyingCouponRate`, Tag 435.
    pub fn get_underlying_coupon_rate(&self) -> Result<Decimal, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingCouponRateField::new(Decimal::ZERO, 0);
        self.message.body.get_field(tag::UNDERLYING_COUPON_RATE, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `UnderlyingCouponRate` is present, Tag 435.
    pub fn has_underlying_coupon_rate(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_COUPON_RATE)
    }




    /// Sets `UnderlyingCreditRating`, Tag 256.
    pub fn set_underlying_credit_rating(&mut self, v: String) {
        self.message.body.set_field(tag::UNDERLYING_CREDIT_RATING, FIXString::from(v));
    }

    /// Gets `UnderlyingCreditRating`, Tag 256.
    pub fn get_underlying_credit_rating(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingCreditRatingField::new(String::new());
        self.message.body.get_field(tag::UNDERLYING_CREDIT_RATING, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `UnderlyingCreditRating` is present, Tag 256.
    pub fn has_underlying_credit_rating(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_CREDIT_RATING)
    }




    /// Sets `UnderlyingCurrency`, Tag 318.
    pub fn set_underlying_currency(&mut self, v: String) {
        self.message.body.set_field(tag::UNDERLYING_CURRENCY, FIXString::from(v));
    }

    /// Gets `UnderlyingCurrency`, Tag 318.
    pub fn get_underlying_currency(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingCurrencyField::new(String::new());
        self.message.body.get_field(tag::UNDERLYING_CURRENCY, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `UnderlyingCurrency` is present, Tag 318.
    pub fn has_underlying_currency(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_CURRENCY)
    }




    /// Sets `UnderlyingCurrentValue`, Tag 885.
    pub fn set_underlying_current_value(&mut self, val: Decimal, scale: i32) {
        self.message.body.set_field(tag::UNDERLYING_CURRENT_VALUE, fixer::fix_decimal::FIXDecimal { decimal: val, scale });
    }

    /// Gets `UnderlyingCurrentValue`, Tag 885.
    pub fn get_underlying_current_value(&self) -> Result<Decimal, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingCurrentValueField::new(Decimal::ZERO, 0);
        self.message.body.get_field(tag::UNDERLYING_CURRENT_VALUE, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `UnderlyingCurrentValue` is present, Tag 885.
    pub fn has_underlying_current_value(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_CURRENT_VALUE)
    }




    /// Sets `UnderlyingDirtyPrice`, Tag 882.
    pub fn set_underlying_dirty_price(&mut self, val: Decimal, scale: i32) {
        self.message.body.set_field(tag::UNDERLYING_DIRTY_PRICE, fixer::fix_decimal::FIXDecimal { decimal: val, scale });
    }

    /// Gets `UnderlyingDirtyPrice`, Tag 882.
    pub fn get_underlying_dirty_price(&self) -> Result<Decimal, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingDirtyPriceField::new(Decimal::ZERO, 0);
        self.message.body.get_field(tag::UNDERLYING_DIRTY_PRICE, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `UnderlyingDirtyPrice` is present, Tag 882.
    pub fn has_underlying_dirty_price(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_DIRTY_PRICE)
    }




    /// Sets `UnderlyingEndPrice`, Tag 883.
    pub fn set_underlying_end_price(&mut self, val: Decimal, scale: i32) {
        self.message.body.set_field(tag::UNDERLYING_END_PRICE, fixer::fix_decimal::FIXDecimal { decimal: val, scale });
    }

    /// Gets `UnderlyingEndPrice`, Tag 883.
    pub fn get_underlying_end_price(&self) -> Result<Decimal, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingEndPriceField::new(Decimal::ZERO, 0);
        self.message.body.get_field(tag::UNDERLYING_END_PRICE, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `UnderlyingEndPrice` is present, Tag 883.
    pub fn has_underlying_end_price(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_END_PRICE)
    }




    /// Sets `UnderlyingEndValue`, Tag 886.
    pub fn set_underlying_end_value(&mut self, val: Decimal, scale: i32) {
        self.message.body.set_field(tag::UNDERLYING_END_VALUE, fixer::fix_decimal::FIXDecimal { decimal: val, scale });
    }

    /// Gets `UnderlyingEndValue`, Tag 886.
    pub fn get_underlying_end_value(&self) -> Result<Decimal, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingEndValueField::new(Decimal::ZERO, 0);
        self.message.body.get_field(tag::UNDERLYING_END_VALUE, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `UnderlyingEndValue` is present, Tag 886.
    pub fn has_underlying_end_value(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_END_VALUE)
    }




    /// Sets `UnderlyingExerciseStyle`, Tag 1419.
    pub fn set_underlying_exercise_style(&mut self, v: isize) {
        self.message.body.set_field(tag::UNDERLYING_EXERCISE_STYLE, fixer::fix_int::FIXInt::from(v));
    }

    /// Gets `UnderlyingExerciseStyle`, Tag 1419.
    pub fn get_underlying_exercise_style(&self) -> Result<isize, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingExerciseStyleField::new(0);
        self.message.body.get_field(tag::UNDERLYING_EXERCISE_STYLE, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `UnderlyingExerciseStyle` is present, Tag 1419.
    pub fn has_underlying_exercise_style(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_EXERCISE_STYLE)
    }




    /// Sets `UnderlyingFXRate`, Tag 1045.
    pub fn set_underlying_fx_rate(&mut self, val: Decimal, scale: i32) {
        self.message.body.set_field(tag::UNDERLYING_FX_RATE, fixer::fix_decimal::FIXDecimal { decimal: val, scale });
    }

    /// Gets `UnderlyingFXRate`, Tag 1045.
    pub fn get_underlying_fx_rate(&self) -> Result<Decimal, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingFXRateField::new(Decimal::ZERO, 0);
        self.message.body.get_field(tag::UNDERLYING_FX_RATE, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `UnderlyingFXRate` is present, Tag 1045.
    pub fn has_underlying_fx_rate(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_FX_RATE)
    }




    /// Sets `UnderlyingFXRateCalc`, Tag 1046.
    pub fn set_underlying_fx_rate_calc(&mut self, v: String) {
        self.message.body.set_field(tag::UNDERLYING_FX_RATE_CALC, FIXString::from(v));
    }

    /// Gets `UnderlyingFXRateCalc`, Tag 1046.
    pub fn get_underlying_fx_rate_calc(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingFXRateCalcField::new(String::new());
        self.message.body.get_field(tag::UNDERLYING_FX_RATE_CALC, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `UnderlyingFXRateCalc` is present, Tag 1046.
    pub fn has_underlying_fx_rate_calc(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_FX_RATE_CALC)
    }




    /// Sets `UnderlyingFactor`, Tag 246.
    pub fn set_underlying_factor(&mut self, val: Decimal, scale: i32) {
        self.message.body.set_field(tag::UNDERLYING_FACTOR, fixer::fix_decimal::FIXDecimal { decimal: val, scale });
    }

    /// Gets `UnderlyingFactor`, Tag 246.
    pub fn get_underlying_factor(&self) -> Result<Decimal, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingFactorField::new(Decimal::ZERO, 0);
        self.message.body.get_field(tag::UNDERLYING_FACTOR, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `UnderlyingFactor` is present, Tag 246.
    pub fn has_underlying_factor(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_FACTOR)
    }




    /// Sets `UnderlyingInstrRegistry`, Tag 595.
    pub fn set_underlying_instr_registry(&mut self, v: String) {
        self.message.body.set_field(tag::UNDERLYING_INSTR_REGISTRY, FIXString::from(v));
    }

    /// Gets `UnderlyingInstrRegistry`, Tag 595.
    pub fn get_underlying_instr_registry(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingInstrRegistryField::new(String::new());
        self.message.body.get_field(tag::UNDERLYING_INSTR_REGISTRY, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `UnderlyingInstrRegistry` is present, Tag 595.
    pub fn has_underlying_instr_registry(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_INSTR_REGISTRY)
    }




    /// Sets `UnderlyingIssueDate`, Tag 242.
    pub fn set_underlying_issue_date(&mut self, v: String) {
        self.message.body.set_field(tag::UNDERLYING_ISSUE_DATE, FIXString::from(v));
    }

    /// Gets `UnderlyingIssueDate`, Tag 242.
    pub fn get_underlying_issue_date(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingIssueDateField::new(String::new());
        self.message.body.get_field(tag::UNDERLYING_ISSUE_DATE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `UnderlyingIssueDate` is present, Tag 242.
    pub fn has_underlying_issue_date(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_ISSUE_DATE)
    }




    /// Sets `UnderlyingIssuer`, Tag 306.
    pub fn set_underlying_issuer(&mut self, v: String) {
        self.message.body.set_field(tag::UNDERLYING_ISSUER, FIXString::from(v));
    }

    /// Gets `UnderlyingIssuer`, Tag 306.
    pub fn get_underlying_issuer(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingIssuerField::new(String::new());
        self.message.body.get_field(tag::UNDERLYING_ISSUER, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `UnderlyingIssuer` is present, Tag 306.
    pub fn has_underlying_issuer(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_ISSUER)
    }




    /// Sets `UnderlyingLocaleOfIssue`, Tag 594.
    pub fn set_underlying_locale_of_issue(&mut self, v: String) {
        self.message.body.set_field(tag::UNDERLYING_LOCALE_OF_ISSUE, FIXString::from(v));
    }

    /// Gets `UnderlyingLocaleOfIssue`, Tag 594.
    pub fn get_underlying_locale_of_issue(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingLocaleOfIssueField::new(String::new());
        self.message.body.get_field(tag::UNDERLYING_LOCALE_OF_ISSUE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `UnderlyingLocaleOfIssue` is present, Tag 594.
    pub fn has_underlying_locale_of_issue(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_LOCALE_OF_ISSUE)
    }




    /// Sets `UnderlyingMaturityDate`, Tag 542.
    pub fn set_underlying_maturity_date(&mut self, v: String) {
        self.message.body.set_field(tag::UNDERLYING_MATURITY_DATE, FIXString::from(v));
    }

    /// Gets `UnderlyingMaturityDate`, Tag 542.
    pub fn get_underlying_maturity_date(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingMaturityDateField::new(String::new());
        self.message.body.get_field(tag::UNDERLYING_MATURITY_DATE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `UnderlyingMaturityDate` is present, Tag 542.
    pub fn has_underlying_maturity_date(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_MATURITY_DATE)
    }




    /// Sets `UnderlyingMaturityMonthYear`, Tag 313.
    pub fn set_underlying_maturity_month_year(&mut self, v: String) {
        self.message.body.set_field(tag::UNDERLYING_MATURITY_MONTH_YEAR, FIXString::from(v));
    }

    /// Gets `UnderlyingMaturityMonthYear`, Tag 313.
    pub fn get_underlying_maturity_month_year(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingMaturityMonthYearField::new(String::new());
        self.message.body.get_field(tag::UNDERLYING_MATURITY_MONTH_YEAR, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `UnderlyingMaturityMonthYear` is present, Tag 313.
    pub fn has_underlying_maturity_month_year(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_MATURITY_MONTH_YEAR)
    }




    /// Sets `UnderlyingMaturityTime`, Tag 1213.
    pub fn set_underlying_maturity_time(&mut self, v: String) {
        self.message.body.set_field(tag::UNDERLYING_MATURITY_TIME, FIXString::from(v));
    }

    /// Gets `UnderlyingMaturityTime`, Tag 1213.
    pub fn get_underlying_maturity_time(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingMaturityTimeField::new(String::new());
        self.message.body.get_field(tag::UNDERLYING_MATURITY_TIME, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `UnderlyingMaturityTime` is present, Tag 1213.
    pub fn has_underlying_maturity_time(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_MATURITY_TIME)
    }




    /// Sets `UnderlyingOptAttribute`, Tag 317.
    pub fn set_underlying_opt_attribute(&mut self, v: String) {
        self.message.body.set_field(tag::UNDERLYING_OPT_ATTRIBUTE, FIXString::from(v));
    }

    /// Gets `UnderlyingOptAttribute`, Tag 317.
    pub fn get_underlying_opt_attribute(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingOptAttributeField::new(String::new());
        self.message.body.get_field(tag::UNDERLYING_OPT_ATTRIBUTE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `UnderlyingOptAttribute` is present, Tag 317.
    pub fn has_underlying_opt_attribute(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_OPT_ATTRIBUTE)
    }




    /// Sets `UnderlyingPriceUnitOfMeasure`, Tag 1424.
    pub fn set_underlying_price_unit_of_measure(&mut self, v: String) {
        self.message.body.set_field(tag::UNDERLYING_PRICE_UNIT_OF_MEASURE, FIXString::from(v));
    }

    /// Gets `UnderlyingPriceUnitOfMeasure`, Tag 1424.
    pub fn get_underlying_price_unit_of_measure(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingPriceUnitOfMeasureField::new(String::new());
        self.message.body.get_field(tag::UNDERLYING_PRICE_UNIT_OF_MEASURE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `UnderlyingPriceUnitOfMeasure` is present, Tag 1424.
    pub fn has_underlying_price_unit_of_measure(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_PRICE_UNIT_OF_MEASURE)
    }




    /// Sets `UnderlyingPriceUnitOfMeasureQty`, Tag 1425.
    pub fn set_underlying_price_unit_of_measure_qty(&mut self, val: Decimal, scale: i32) {
        self.message.body.set_field(tag::UNDERLYING_PRICE_UNIT_OF_MEASURE_QTY, fixer::fix_decimal::FIXDecimal { decimal: val, scale });
    }

    /// Gets `UnderlyingPriceUnitOfMeasureQty`, Tag 1425.
    pub fn get_underlying_price_unit_of_measure_qty(&self) -> Result<Decimal, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingPriceUnitOfMeasureQtyField::new(Decimal::ZERO, 0);
        self.message.body.get_field(tag::UNDERLYING_PRICE_UNIT_OF_MEASURE_QTY, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `UnderlyingPriceUnitOfMeasureQty` is present, Tag 1425.
    pub fn has_underlying_price_unit_of_measure_qty(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_PRICE_UNIT_OF_MEASURE_QTY)
    }




    /// Sets `UnderlyingProduct`, Tag 462.
    pub fn set_underlying_product(&mut self, v: isize) {
        self.message.body.set_field(tag::UNDERLYING_PRODUCT, fixer::fix_int::FIXInt::from(v));
    }

    /// Gets `UnderlyingProduct`, Tag 462.
    pub fn get_underlying_product(&self) -> Result<isize, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingProductField::new(0);
        self.message.body.get_field(tag::UNDERLYING_PRODUCT, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `UnderlyingProduct` is present, Tag 462.
    pub fn has_underlying_product(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_PRODUCT)
    }




    /// Sets `UnderlyingPutOrCall`, Tag 315.
    pub fn set_underlying_put_or_call(&mut self, v: isize) {
        self.message.body.set_field(tag::UNDERLYING_PUT_OR_CALL, fixer::fix_int::FIXInt::from(v));
    }

    /// Gets `UnderlyingPutOrCall`, Tag 315.
    pub fn get_underlying_put_or_call(&self) -> Result<isize, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingPutOrCallField::new(0);
        self.message.body.get_field(tag::UNDERLYING_PUT_OR_CALL, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `UnderlyingPutOrCall` is present, Tag 315.
    pub fn has_underlying_put_or_call(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_PUT_OR_CALL)
    }




    /// Sets `UnderlyingPx`, Tag 810.
    pub fn set_underlying_px(&mut self, val: Decimal, scale: i32) {
        self.message.body.set_field(tag::UNDERLYING_PX, fixer::fix_decimal::FIXDecimal { decimal: val, scale });
    }

    /// Gets `UnderlyingPx`, Tag 810.
    pub fn get_underlying_px(&self) -> Result<Decimal, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingPxField::new(Decimal::ZERO, 0);
        self.message.body.get_field(tag::UNDERLYING_PX, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `UnderlyingPx` is present, Tag 810.
    pub fn has_underlying_px(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_PX)
    }




    /// Sets `UnderlyingQty`, Tag 879.
    pub fn set_underlying_qty(&mut self, val: Decimal, scale: i32) {
        self.message.body.set_field(tag::UNDERLYING_QTY, fixer::fix_decimal::FIXDecimal { decimal: val, scale });
    }

    /// Gets `UnderlyingQty`, Tag 879.
    pub fn get_underlying_qty(&self) -> Result<Decimal, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingQtyField::new(Decimal::ZERO, 0);
        self.message.body.get_field(tag::UNDERLYING_QTY, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `UnderlyingQty` is present, Tag 879.
    pub fn has_underlying_qty(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_QTY)
    }




    /// Sets `UnderlyingRedemptionDate`, Tag 247.
    pub fn set_underlying_redemption_date(&mut self, v: String) {
        self.message.body.set_field(tag::UNDERLYING_REDEMPTION_DATE, FIXString::from(v));
    }

    /// Gets `UnderlyingRedemptionDate`, Tag 247.
    pub fn get_underlying_redemption_date(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingRedemptionDateField::new(String::new());
        self.message.body.get_field(tag::UNDERLYING_REDEMPTION_DATE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `UnderlyingRedemptionDate` is present, Tag 247.
    pub fn has_underlying_redemption_date(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_REDEMPTION_DATE)
    }




    /// Sets `UnderlyingRepoCollateralSecurityType`, Tag 243.
    pub fn set_underlying_repo_collateral_security_type(&mut self, v: isize) {
        self.message.body.set_field(tag::UNDERLYING_REPO_COLLATERAL_SECURITY_TYPE, fixer::fix_int::FIXInt::from(v));
    }

    /// Gets `UnderlyingRepoCollateralSecurityType`, Tag 243.
    pub fn get_underlying_repo_collateral_security_type(&self) -> Result<isize, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingRepoCollateralSecurityTypeField::new(0);
        self.message.body.get_field(tag::UNDERLYING_REPO_COLLATERAL_SECURITY_TYPE, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `UnderlyingRepoCollateralSecurityType` is present, Tag 243.
    pub fn has_underlying_repo_collateral_security_type(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_REPO_COLLATERAL_SECURITY_TYPE)
    }




    /// Sets `UnderlyingRepurchaseRate`, Tag 245.
    pub fn set_underlying_repurchase_rate(&mut self, val: Decimal, scale: i32) {
        self.message.body.set_field(tag::UNDERLYING_REPURCHASE_RATE, fixer::fix_decimal::FIXDecimal { decimal: val, scale });
    }

    /// Gets `UnderlyingRepurchaseRate`, Tag 245.
    pub fn get_underlying_repurchase_rate(&self) -> Result<Decimal, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingRepurchaseRateField::new(Decimal::ZERO, 0);
        self.message.body.get_field(tag::UNDERLYING_REPURCHASE_RATE, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `UnderlyingRepurchaseRate` is present, Tag 245.
    pub fn has_underlying_repurchase_rate(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_REPURCHASE_RATE)
    }




    /// Sets `UnderlyingRepurchaseTerm`, Tag 244.
    pub fn set_underlying_repurchase_term(&mut self, v: isize) {
        self.message.body.set_field(tag::UNDERLYING_REPURCHASE_TERM, fixer::fix_int::FIXInt::from(v));
    }

    /// Gets `UnderlyingRepurchaseTerm`, Tag 244.
    pub fn get_underlying_repurchase_term(&self) -> Result<isize, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingRepurchaseTermField::new(0);
        self.message.body.get_field(tag::UNDERLYING_REPURCHASE_TERM, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `UnderlyingRepurchaseTerm` is present, Tag 244.
    pub fn has_underlying_repurchase_term(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_REPURCHASE_TERM)
    }




    /// Sets `UnderlyingSecurityDesc`, Tag 307.
    pub fn set_underlying_security_desc(&mut self, v: String) {
        self.message.body.set_field(tag::UNDERLYING_SECURITY_DESC, FIXString::from(v));
    }

    /// Gets `UnderlyingSecurityDesc`, Tag 307.
    pub fn get_underlying_security_desc(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingSecurityDescField::new(String::new());
        self.message.body.get_field(tag::UNDERLYING_SECURITY_DESC, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `UnderlyingSecurityDesc` is present, Tag 307.
    pub fn has_underlying_security_desc(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_SECURITY_DESC)
    }




    /// Sets `UnderlyingSecurityExchange`, Tag 308.
    pub fn set_underlying_security_exchange(&mut self, v: String) {
        self.message.body.set_field(tag::UNDERLYING_SECURITY_EXCHANGE, FIXString::from(v));
    }

    /// Gets `UnderlyingSecurityExchange`, Tag 308.
    pub fn get_underlying_security_exchange(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingSecurityExchangeField::new(String::new());
        self.message.body.get_field(tag::UNDERLYING_SECURITY_EXCHANGE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `UnderlyingSecurityExchange` is present, Tag 308.
    pub fn has_underlying_security_exchange(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_SECURITY_EXCHANGE)
    }




    /// Sets `UnderlyingSecurityID`, Tag 309.
    pub fn set_underlying_security_id(&mut self, v: String) {
        self.message.body.set_field(tag::UNDERLYING_SECURITY_ID, FIXString::from(v));
    }

    /// Gets `UnderlyingSecurityID`, Tag 309.
    pub fn get_underlying_security_id(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingSecurityIDField::new(String::new());
        self.message.body.get_field(tag::UNDERLYING_SECURITY_ID, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `UnderlyingSecurityID` is present, Tag 309.
    pub fn has_underlying_security_id(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_SECURITY_ID)
    }




    /// Sets `UnderlyingSecurityIDSource`, Tag 305.
    pub fn set_underlying_security_id_source(&mut self, v: String) {
        self.message.body.set_field(tag::UNDERLYING_SECURITY_ID_SOURCE, FIXString::from(v));
    }

    /// Gets `UnderlyingSecurityIDSource`, Tag 305.
    pub fn get_underlying_security_id_source(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingSecurityIDSourceField::new(String::new());
        self.message.body.get_field(tag::UNDERLYING_SECURITY_ID_SOURCE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `UnderlyingSecurityIDSource` is present, Tag 305.
    pub fn has_underlying_security_id_source(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_SECURITY_ID_SOURCE)
    }




    /// Sets `UnderlyingSecuritySubType`, Tag 763.
    pub fn set_underlying_security_sub_type(&mut self, v: String) {
        self.message.body.set_field(tag::UNDERLYING_SECURITY_SUB_TYPE, FIXString::from(v));
    }

    /// Gets `UnderlyingSecuritySubType`, Tag 763.
    pub fn get_underlying_security_sub_type(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingSecuritySubTypeField::new(String::new());
        self.message.body.get_field(tag::UNDERLYING_SECURITY_SUB_TYPE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `UnderlyingSecuritySubType` is present, Tag 763.
    pub fn has_underlying_security_sub_type(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_SECURITY_SUB_TYPE)
    }




    /// Sets `UnderlyingSecurityType`, Tag 310.
    pub fn set_underlying_security_type(&mut self, v: String) {
        self.message.body.set_field(tag::UNDERLYING_SECURITY_TYPE, FIXString::from(v));
    }

    /// Gets `UnderlyingSecurityType`, Tag 310.
    pub fn get_underlying_security_type(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingSecurityTypeField::new(String::new());
        self.message.body.get_field(tag::UNDERLYING_SECURITY_TYPE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `UnderlyingSecurityType` is present, Tag 310.
    pub fn has_underlying_security_type(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_SECURITY_TYPE)
    }




    /// Sets `UnderlyingSettlMethod`, Tag 1039.
    pub fn set_underlying_settl_method(&mut self, v: String) {
        self.message.body.set_field(tag::UNDERLYING_SETTL_METHOD, FIXString::from(v));
    }

    /// Gets `UnderlyingSettlMethod`, Tag 1039.
    pub fn get_underlying_settl_method(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingSettlMethodField::new(String::new());
        self.message.body.get_field(tag::UNDERLYING_SETTL_METHOD, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `UnderlyingSettlMethod` is present, Tag 1039.
    pub fn has_underlying_settl_method(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_SETTL_METHOD)
    }




    /// Sets `UnderlyingSettlementType`, Tag 975.
    pub fn set_underlying_settlement_type(&mut self, v: isize) {
        self.message.body.set_field(tag::UNDERLYING_SETTLEMENT_TYPE, fixer::fix_int::FIXInt::from(v));
    }

    /// Gets `UnderlyingSettlementType`, Tag 975.
    pub fn get_underlying_settlement_type(&self) -> Result<isize, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingSettlementTypeField::new(0);
        self.message.body.get_field(tag::UNDERLYING_SETTLEMENT_TYPE, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `UnderlyingSettlementType` is present, Tag 975.
    pub fn has_underlying_settlement_type(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_SETTLEMENT_TYPE)
    }




    /// Sets `UnderlyingStartValue`, Tag 884.
    pub fn set_underlying_start_value(&mut self, val: Decimal, scale: i32) {
        self.message.body.set_field(tag::UNDERLYING_START_VALUE, fixer::fix_decimal::FIXDecimal { decimal: val, scale });
    }

    /// Gets `UnderlyingStartValue`, Tag 884.
    pub fn get_underlying_start_value(&self) -> Result<Decimal, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingStartValueField::new(Decimal::ZERO, 0);
        self.message.body.get_field(tag::UNDERLYING_START_VALUE, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `UnderlyingStartValue` is present, Tag 884.
    pub fn has_underlying_start_value(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_START_VALUE)
    }




    /// Sets `UnderlyingStateOrProvinceOfIssue`, Tag 593.
    pub fn set_underlying_state_or_province_of_issue(&mut self, v: String) {
        self.message.body.set_field(tag::UNDERLYING_STATE_OR_PROVINCE_OF_ISSUE, FIXString::from(v));
    }

    /// Gets `UnderlyingStateOrProvinceOfIssue`, Tag 593.
    pub fn get_underlying_state_or_province_of_issue(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingStateOrProvinceOfIssueField::new(String::new());
        self.message.body.get_field(tag::UNDERLYING_STATE_OR_PROVINCE_OF_ISSUE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `UnderlyingStateOrProvinceOfIssue` is present, Tag 593.
    pub fn has_underlying_state_or_province_of_issue(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_STATE_OR_PROVINCE_OF_ISSUE)
    }




    /// Sets `UnderlyingStrikeCurrency`, Tag 941.
    pub fn set_underlying_strike_currency(&mut self, v: String) {
        self.message.body.set_field(tag::UNDERLYING_STRIKE_CURRENCY, FIXString::from(v));
    }

    /// Gets `UnderlyingStrikeCurrency`, Tag 941.
    pub fn get_underlying_strike_currency(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingStrikeCurrencyField::new(String::new());
        self.message.body.get_field(tag::UNDERLYING_STRIKE_CURRENCY, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `UnderlyingStrikeCurrency` is present, Tag 941.
    pub fn has_underlying_strike_currency(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_STRIKE_CURRENCY)
    }




    /// Sets `UnderlyingStrikePrice`, Tag 316.
    pub fn set_underlying_strike_price(&mut self, val: Decimal, scale: i32) {
        self.message.body.set_field(tag::UNDERLYING_STRIKE_PRICE, fixer::fix_decimal::FIXDecimal { decimal: val, scale });
    }

    /// Gets `UnderlyingStrikePrice`, Tag 316.
    pub fn get_underlying_strike_price(&self) -> Result<Decimal, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingStrikePriceField::new(Decimal::ZERO, 0);
        self.message.body.get_field(tag::UNDERLYING_STRIKE_PRICE, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `UnderlyingStrikePrice` is present, Tag 316.
    pub fn has_underlying_strike_price(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_STRIKE_PRICE)
    }




    /// Sets `UnderlyingSymbol`, Tag 311.
    pub fn set_underlying_symbol(&mut self, v: String) {
        self.message.body.set_field(tag::UNDERLYING_SYMBOL, FIXString::from(v));
    }

    /// Gets `UnderlyingSymbol`, Tag 311.
    pub fn get_underlying_symbol(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingSymbolField::new(String::new());
        self.message.body.get_field(tag::UNDERLYING_SYMBOL, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `UnderlyingSymbol` is present, Tag 311.
    pub fn has_underlying_symbol(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_SYMBOL)
    }




    /// Sets `UnderlyingSymbolSfx`, Tag 312.
    pub fn set_underlying_symbol_sfx(&mut self, v: String) {
        self.message.body.set_field(tag::UNDERLYING_SYMBOL_SFX, FIXString::from(v));
    }

    /// Gets `UnderlyingSymbolSfx`, Tag 312.
    pub fn get_underlying_symbol_sfx(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingSymbolSfxField::new(String::new());
        self.message.body.get_field(tag::UNDERLYING_SYMBOL_SFX, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `UnderlyingSymbolSfx` is present, Tag 312.
    pub fn has_underlying_symbol_sfx(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_SYMBOL_SFX)
    }




    /// Sets `UnderlyingTimeUnit`, Tag 1000.
    pub fn set_underlying_time_unit(&mut self, v: String) {
        self.message.body.set_field(tag::UNDERLYING_TIME_UNIT, FIXString::from(v));
    }

    /// Gets `UnderlyingTimeUnit`, Tag 1000.
    pub fn get_underlying_time_unit(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingTimeUnitField::new(String::new());
        self.message.body.get_field(tag::UNDERLYING_TIME_UNIT, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `UnderlyingTimeUnit` is present, Tag 1000.
    pub fn has_underlying_time_unit(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_TIME_UNIT)
    }




    /// Sets `UnderlyingUnitOfMeasure`, Tag 998.
    pub fn set_underlying_unit_of_measure(&mut self, v: String) {
        self.message.body.set_field(tag::UNDERLYING_UNIT_OF_MEASURE, FIXString::from(v));
    }

    /// Gets `UnderlyingUnitOfMeasure`, Tag 998.
    pub fn get_underlying_unit_of_measure(&self) -> Result<String, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingUnitOfMeasureField::new(String::new());
        self.message.body.get_field(tag::UNDERLYING_UNIT_OF_MEASURE, &mut fld.0)?;
        Ok(fld.value().to_string())
    }


    /// Returns true if `UnderlyingUnitOfMeasure` is present, Tag 998.
    pub fn has_underlying_unit_of_measure(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_UNIT_OF_MEASURE)
    }




    /// Sets `UnderlyingUnitOfMeasureQty`, Tag 1423.
    pub fn set_underlying_unit_of_measure_qty(&mut self, val: Decimal, scale: i32) {
        self.message.body.set_field(tag::UNDERLYING_UNIT_OF_MEASURE_QTY, fixer::fix_decimal::FIXDecimal { decimal: val, scale });
    }

    /// Gets `UnderlyingUnitOfMeasureQty`, Tag 1423.
    pub fn get_underlying_unit_of_measure_qty(&self) -> Result<Decimal, MessageRejectErrorEnum> {
        let mut fld = field::UnderlyingUnitOfMeasureQtyField::new(Decimal::ZERO, 0);
        self.message.body.get_field(tag::UNDERLYING_UNIT_OF_MEASURE_QTY, &mut fld.0)?;
        Ok(fld.value())
    }


    /// Returns true if `UnderlyingUnitOfMeasureQty` is present, Tag 1423.
    pub fn has_underlying_unit_of_measure_qty(&self) -> bool {
        self.message.body.has(tag::UNDERLYING_UNIT_OF_MEASURE_QTY)
    }


}

/// `RouteOut` is the callback type for routing `DerivativeSecurityListRequest` messages.
pub type RouteOut = fn(msg: DerivativeSecurityListRequest, session_id: SessionID) -> Result<(), MessageRejectErrorEnum>;

/// Route type returned by the `route` function.
pub type Route = (&'static str, &'static str, Box<dyn Fn(&Message, SessionID) -> Result<(), MessageRejectErrorEnum> + Send>);

/// Returns the begin string, message type, and route function for `DerivativeSecurityListRequest`.
pub fn route(router: RouteOut) -> Route {
    let r = move |msg: &Message, session_id: SessionID| -> Result<(), MessageRejectErrorEnum> {
        router(DerivativeSecurityListRequest::from_message(msg.clone()), session_id)
    };
    ("8", "z", Box::new(r))
}