Constant WRITE_FIELD_VALUES 

pub const WRITE_FIELD_VALUES: &str = "mutation($field0:UpdateProjectV2ItemFieldValueInput!,$send0:Boolean!,$field1:UpdateProjectV2ItemFieldValueInput!,$send1:Boolean!,$field2:UpdateProjectV2ItemFieldValueInput!,$send2:Boolean!,$field3:UpdateProjectV2ItemFieldValueInput!,$send3:Boolean!,$field4:UpdateProjectV2ItemFieldValueInput!,$send4:Boolean!,$field5:UpdateProjectV2ItemFieldValueInput!,$send5:Boolean!,$field6:UpdateProjectV2ItemFieldValueInput!,$send6:Boolean!,$field7:UpdateProjectV2ItemFieldValueInput!,$send7:Boolean!,$field8:UpdateProjectV2ItemFieldValueInput!,$send8:Boolean!,$field9:UpdateProjectV2ItemFieldValueInput!,$send9:Boolean!,$field10:UpdateProjectV2ItemFieldValueInput!,$send10:Boolean!,$field11:UpdateProjectV2ItemFieldValueInput!,$send11:Boolean!,$field12:UpdateProjectV2ItemFieldValueInput!,$send12:Boolean!,$field13:UpdateProjectV2ItemFieldValueInput!,$send13:Boolean!,$field14:UpdateProjectV2ItemFieldValueInput!,$send14:Boolean!,$field15:UpdateProjectV2ItemFieldValueInput!,$send15:Boolean!,$field16:UpdateProjectV2ItemFieldValueInput!,$send16:Boolean!,$field17:UpdateProjectV2ItemFieldValueInput!,$send17:Boolean!,$field18:UpdateProjectV2ItemFieldValueInput!,$send18:Boolean!,){ field0:updateProjectV2ItemFieldValue(input:$field0) @include(if:$send0){projectV2Item{id}} field1:updateProjectV2ItemFieldValue(input:$field1) @include(if:$send1){projectV2Item{id}} field2:updateProjectV2ItemFieldValue(input:$field2) @include(if:$send2){projectV2Item{id}} field3:updateProjectV2ItemFieldValue(input:$field3) @include(if:$send3){projectV2Item{id}} field4:updateProjectV2ItemFieldValue(input:$field4) @include(if:$send4){projectV2Item{id}} field5:updateProjectV2ItemFieldValue(input:$field5) @include(if:$send5){projectV2Item{id}} field6:updateProjectV2ItemFieldValue(input:$field6) @include(if:$send6){projectV2Item{id}} field7:updateProjectV2ItemFieldValue(input:$field7) @include(if:$send7){projectV2Item{id}} field8:updateProjectV2ItemFieldValue(input:$field8) @include(if:$send8){projectV2Item{id}} field9:updateProjectV2ItemFieldValue(input:$field9) @include(if:$send9){projectV2Item{id}} field10:updateProjectV2ItemFieldValue(input:$field10) @include(if:$send10){projectV2Item{id}} field11:updateProjectV2ItemFieldValue(input:$field11) @include(if:$send11){projectV2Item{id}} field12:updateProjectV2ItemFieldValue(input:$field12) @include(if:$send12){projectV2Item{id}} field13:updateProjectV2ItemFieldValue(input:$field13) @include(if:$send13){projectV2Item{id}} field14:updateProjectV2ItemFieldValue(input:$field14) @include(if:$send14){projectV2Item{id}} field15:updateProjectV2ItemFieldValue(input:$field15) @include(if:$send15){projectV2Item{id}} field16:updateProjectV2ItemFieldValue(input:$field16) @include(if:$send16){projectV2Item{id}} field17:updateProjectV2ItemFieldValue(input:$field17) @include(if:$send17){projectV2Item{id}} field18:updateProjectV2ItemFieldValue(input:$field18) @include(if:$send18){projectV2Item{id}}}";

Up to WRITE_BATCH board field values a copy writes on the items it created, each on its own item, in one ordered request.