Method invoke

libs/core/langchain_core/runnables/base.py:581–594

Transform a single input into an output. Override to implement. Args: input: The input to the runnable. config: A config to use when invoking the runnable. The config supports standard keys like 'tags', 'metadata' for tracing purposes, '

(self, input: Input, config: Optional[RunnableConfig] = None)

    @abstractmethod
    def invoke(self, input: Input, config: Optional[RunnableConfig] = None) -> Output:
        """Transform a single input into an output. Override to implement.

        Args:
            input: The input to the runnable.
            config: A config to use when invoking the runnable.
               The config supports standard keys like 'tags', 'metadata' for tracing
               purposes, 'max_concurrency' for controlling how much work to do
               in parallel, and other keys. Please refer to the RunnableConfig
               for more details.

        Returns:
            The output of the runnable.
        """

    async def ainvoke(
        self, input: Input, config: Optional[RunnableConfig] = None, **kwargs: Any