on_tool_end() — langchain Function Reference

Architecture documentation for the on_tool_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_tool_end() — langchain Function Reference

Dependency Diagram

graph TD
  4ddeba77_793f_e571_7112_2a8a1843fc0f["on_tool_end()"]
  64513429_d001_87b1_5f19_cc17a3f3577b["AsyncCallbackHandler"]
  4ddeba77_793f_e571_7112_2a8a1843fc0f -->|defined in| 64513429_d001_87b1_5f19_cc17a3f3577b
  f41862f8_b410_3d33_6f90_7b994f0c2e1c["on_tool_end()"]
  f41862f8_b410_3d33_6f90_7b994f0c2e1c -->|calls| 4ddeba77_793f_e571_7112_2a8a1843fc0f
  f41862f8_b410_3d33_6f90_7b994f0c2e1c["on_tool_end()"]
  4ddeba77_793f_e571_7112_2a8a1843fc0f -->|calls| f41862f8_b410_3d33_6f90_7b994f0c2e1c
  style 4ddeba77_793f_e571_7112_2a8a1843fc0f fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/callbacks/base.py lines 701–718

    async def on_tool_end(
        self,
        output: Any,
        *,
        run_id: UUID,
        parent_run_id: UUID | None = None,
        tags: list[str] | None = None,
        **kwargs: Any,
    ) -> None:
        """Run when the tool ends running.

        Args:
            output: The output of the tool.
            run_id: The ID of the current run.
            parent_run_id: The ID of the parent run.
            tags: The tags.
            **kwargs: Additional keyword arguments.
        """