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[source]#

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

Parameters:

• func (Union[Callable[[Input], Output], Callable[[Input, RunnableConfig], Output], Callable[[Input, CallbackManagerForChainRun], Output], Callable[[Input, CallbackManagerForChainRun, RunnableConfig], Output]]) – The function to call.

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

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

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

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

Returns:

The output of the function.

Return type:

Output