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Class FunctionTool (2.6.0)

FunctionTool(mapping=None, *, ignore_unknown_fields=False, **kwargs)

A Function tool describes the functions to be invoked on the client side.

Attributes
Name	Description
`input_schema`	`google.protobuf.struct_pb2.Struct` Optional. The JSON schema is encapsulated in a `google.protobuf.Struct][google.protobuf.Struct]` to describe the input of the function. This input is a JSON object that contains the function's parameters as properties of the object.
`output_schema`	`google.protobuf.struct_pb2.Struct` Optional. The JSON schema is encapsulated in a `google.protobuf.Struct][google.protobuf.Struct]` to describe the output of the function. This output is a JSON object that contains the function's parameters as properties of the object.

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Last updated 2026-06-03 UTC.

Attributes