def get_function(self, function_name: str, **kwargs: Any) -> Any:
        """
        Get a function by its name.

        Args:
            function_name: The name of the function to get.
            kwargs: additional key-value pairs to include when getting the function.
        """

        Get a function by its name.

        Args:
            function_name: The name of the function to get.
            kwargs: additional key-value pairs to include when getting the function.
        
ai/core/src/unitycatalog/ai/core/base.py