call_func_with_variable_args

langchain_core.runnables.config.call_func_with_variable_args(func: Callable[[Input], Output] | Callable[[Input, RunnableConfig], Output] | Callable[[Input, CallbackManagerForChainRun], Output] | Callable[[Input, CallbackManagerForChainRun, RunnableConfig], Output], input: Input, config: RunnableConfig, run_manager: CallbackManagerForChainRun | None = None, **kwargs: Any) → Output

Call function that may optionally accept a run_manager and/or config.

Parameters:

• (Union[Callable[[Input] (func) –

  Callable[[Input, CallbackManagerForChainRun], Output], Callable[[Input, CallbackManagerForChainRun, RunnableConfig], Output]]):

  The function to call.

• Output] –

  Callable[[Input, CallbackManagerForChainRun], Output], Callable[[Input, CallbackManagerForChainRun, RunnableConfig], Output]]):

  The function to call.

• func (Union[Callable[[Input], Output], Callable[[Input, RunnableConfig], Output], Callable[[Input, CallbackManagerForChainRun], Output], Callable[[Input, CallbackManagerForChainRun, RunnableConfig], Output]])

• input (Input)

• config (RunnableConfig)

• run_manager (Optional[CallbackManagerForChainRun])

• kwargs (Any)

Return type:

Output

:paramCallable[[Input, CallbackManagerForChainRun], Output],

Callable[[Input, CallbackManagerForChainRun, RunnableConfig], Output]]):

The function to call.

Parameters:

• input (Input) – The input to the function.

• config (RunnableConfig) – The config to pass to the function.

• run_manager (CallbackManagerForChainRun) – The run manager to pass to the function. Defaults to None.

• **kwargs (Any) – The keyword arguments to pass to the function.

• func (Union[Callable[[Input], Output], Callable[[Input, RunnableConfig], Output], Callable[[Input, CallbackManagerForChainRun], Output], Callable[[Input, CallbackManagerForChainRun, RunnableConfig], Output]])

Returns:

The output of the function.

Return type:

Output