on_agent_action() — langchain Function Reference

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

Function python Observability CallbackManager

Entity Profile

Observability→ CallbackManager→ on_agent_action() — langchain Function Reference

Dependency Diagram

graph TD
  d3e50323_892d_5b1a_d04b_858dc17cea80["on_agent_action()"]
  6b65bf57_0fa9_b411_5886_294d6dbe5842["StreamingStdOutCallbackHandler"]
  d3e50323_892d_5b1a_d04b_858dc17cea80 -->|defined in| 6b65bf57_0fa9_b411_5886_294d6dbe5842
  style d3e50323_892d_5b1a_d04b_858dc17cea80 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/callbacks/streaming_stdout.py lines 114–120

    def on_agent_action(self, action: AgentAction, **kwargs: Any) -> Any:
        """Run on agent action.

        Args:
            action: The agent action.
            **kwargs: Additional keyword arguments.
        """