on_chain_end() — langchain Function Reference

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

Function python Observability TelemetryUtilities calls 1 called by 1

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Observability→ TelemetryUtilities→ on_chain_end() — langchain Function Reference

Dependency Diagram

graph TD
  2d9b666e_e806_6c6b_7c2e_430e494f9f65["on_chain_end()"]
  59331c5d_55fc_8bfa_35c9_66bba01f8813["ChainManagerMixin"]
  2d9b666e_e806_6c6b_7c2e_430e494f9f65 -->|defined in| 59331c5d_55fc_8bfa_35c9_66bba01f8813
  dd773e89_d395_3391_673f_8801efb1e38e["on_chain_end()"]
  dd773e89_d395_3391_673f_8801efb1e38e -->|calls| 2d9b666e_e806_6c6b_7c2e_430e494f9f65
  dd773e89_d395_3391_673f_8801efb1e38e["on_chain_end()"]
  2d9b666e_e806_6c6b_7c2e_430e494f9f65 -->|calls| dd773e89_d395_3391_673f_8801efb1e38e
  style 2d9b666e_e806_6c6b_7c2e_430e494f9f65 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/callbacks/base.py lines 131–146

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

        Args:
            outputs: The outputs of the chain.
            run_id: The ID of the current run.
            parent_run_id: The ID of the parent run.
            **kwargs: Additional keyword arguments.
        """