on_chain_end() — langchain Function Reference

Architecture documentation for the on_chain_end() function in streaming_stdout.py from the langchain codebase.

Function python Observability CallbackManager

Entity Profile

Observability→ CallbackManager→ on_chain_end() — langchain Function Reference

Dependency Diagram

graph TD
  9249fedf_803a_f7a1_e423_c77943ae91fb["on_chain_end()"]
  6b65bf57_0fa9_b411_5886_294d6dbe5842["StreamingStdOutCallbackHandler"]
  9249fedf_803a_f7a1_e423_c77943ae91fb -->|defined in| 6b65bf57_0fa9_b411_5886_294d6dbe5842
  style 9249fedf_803a_f7a1_e423_c77943ae91fb fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/callbacks/streaming_stdout.py lines 87–93

    def on_chain_end(self, outputs: dict[str, Any], **kwargs: Any) -> None:
        """Run when a chain ends running.

        Args:
            outputs: The outputs of the chain.
            **kwargs: Additional keyword arguments.
        """