FunctionDeclaration interface

Structured representation of a function declaration as defined by theOpenAPI 3.0 specification. Included in this declaration are the function name and parameters. ThisFunctionDeclaration is a representation of a block of code that can be used as a Tool by the model and executed by the client.

Signature:

exportinterfaceFunctionDeclaration

Properties

PropertyTypeDescription
descriptionstringDescription and purpose of the function. Model uses it to decide how and whether to call the function.
namestringThe name of the function to call. Must start with a letter or an underscore. Must be a-z, A-Z, 0-9, or contain underscores and dashes, with a max length of 64.
parametersObjectSchema |ObjectSchemaRequestOptional. Describes the parameters to this function in JSON Schema Object format. Reflects the Open API 3.03 Parameter Object. Parameter names are case-sensitive. For a function with no parameters, this can be left unset.

FunctionDeclaration.description

Description and purpose of the function. Model uses it to decide how and whether to call the function.

Signature:

description:string;

FunctionDeclaration.name

The name of the function to call. Must start with a letter or an underscore. Must be a-z, A-Z, 0-9, or contain underscores and dashes, with a max length of 64.

Signature:

name:string;

FunctionDeclaration.parameters

Optional. Describes the parameters to this function in JSON Schema Object format. Reflects the Open API 3.03 Parameter Object. Parameter names are case-sensitive. For a function with no parameters, this can be left unset.

Signature:

parameters?:ObjectSchema|ObjectSchemaRequest;

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Last updated 2025-07-17 UTC.