Struct Function 

pub struct Function {
    pub name: String,
    pub description: String,
    pub parameters: Option<Value>,
}

Definition of a callable function tool.

This structure defines a function that can be called by the assistant, including its name, description, and parameter schema.

Validation

• name - Must be between 1 and 64 characters
• parameters - Must be a valid JSON schema

Fields

name: String

The name of the function. Must be between 1 and 64 characters.

description: String

A description of what the function does.

parameters: Option<Value>

JSON schema describing the function’s parameters. Server expects an object; keep as Value to avoid double-encoding strings.

Implementations

impl Function

pub fn new( name: impl Into<String>, description: impl Into<String>, parameters: Value, ) -> Self

Creates a new function call definition.

Arguments

• name - The name of the function
• description - A description of what the function does
• parameters - JSON schema string describing the function parameters

Returns

A new Function instance.

Examples

let func = Function::new(
    "get_weather",
    "Get current weather for a location",
    r#"{"type": "object", "properties": {"location": {"type": "string"}}}"#
);

Trait Implementations

impl Clone for Function

fn clone(&self) -> Function

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Function

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Serialize for Function

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl Validate for Function

fn validate(&self) -> Result<(), ValidationErrors>

impl<'v_a> ValidateArgs<'v_a> for Function

type Args = ()

fn validate_with_args(&self, args: Self::Args) -> Result<(), ValidationErrors>