Class CallableFunctionDeclaration (1.55.0)
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CallableFunctionDeclaration (
name : str ,
function : typing . Callable [[ ... ], typing . Any ],
parameters : typing . Dict [ str , typing . Any ],
description : typing . Optional [ str ] = None ,
)
A function declaration plus a function.
Methods
CallableFunctionDeclaration
CallableFunctionDeclaration (
name : str ,
function : typing . Callable [[ ... ], typing . Any ],
parameters : typing . Dict [ str , typing . Any ],
description : typing . Optional [ str ] = None ,
)
Constructs a FunctionDeclaration.
Parameters
Name
Description
name
str
The name of the function that the model can call.
parameters
typing.Dict[str, typing.Any]
Describes the parameters to this function in JSON Schema Object format.
description
typing.Optional[str]
Description and purpose of the function. Model uses it to decide how and whether to call the function.
from_func
from_func (
func : typing . Callable [[ ... ], typing . Any ]
) - > vertexai . generative_models . _generative_models . CallableFunctionDeclaration
Automatically creates a CallableFunctionDeclaration from a Python function.
The function parameter schema is automatically extracted.
Parameter
Name
Description
func
typing.Callable[..., typing.Any]
The function from which to extract schema.
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Last updated 2026-04-01 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2026-04-01 UTC."],[],[]]