ToolManagerMixin#

class langchain_core.callbacks.base.ToolManagerMixin[source]#

Mixin for tool callbacks.

Methods

on_tool_end(output, *, run_id[, parent_run_id])

Run when the tool ends running.

on_tool_error(error, *, run_id[, parent_run_id])

Run when tool errors.
on_tool_end(
output: Any,
*,
run_id: UUID,
parent_run_id: UUID | None = None,
**kwargs: Any,
) → Any[source]#

Run when the tool ends running.

Parameters:

  • output (Any) – The output of the tool.

  • run_id (UUID) – The run ID. This is the ID of the current run.

  • parent_run_id (UUID) – The parent run ID. This is the ID of the parent run.

  • kwargs (Any) – Additional keyword arguments.

Return type:

Any

on_tool_error(
error: BaseException,
*,
run_id: UUID,
parent_run_id: UUID | None = None,
**kwargs: Any,
) → Any[source]#

Run when tool errors.

Parameters:

  • error (BaseException) – The error that occurred.

  • run_id (UUID) – The run ID. This is the ID of the current run.

  • parent_run_id (UUID) – The parent run ID. This is the ID of the parent run.

  • kwargs (Any) – Additional keyword arguments.

Return type:

Any