langchain_core.callbacks.base.ChainManagerMixin

class langchain_core.callbacks.base.ChainManagerMixin

Mixin for chain callbacks.

Methods

__init__()
on_agent_action(action, *, run_id[, ...])	Run on agent action.
on_agent_finish(finish, *, run_id[, ...])	Run on agent end.
on_chain_end(outputs, *, run_id[, parent_run_id])	Run when chain ends running.
on_chain_error(error, *, run_id[, parent_run_id])	Run when chain errors.

__init__()

on_agent_action(action: AgentAction, *, run_id: UUID, parent_run_id: Optional[UUID] = None, **kwargs: Any) → Any

Run on agent action.

Parameters

• action (AgentAction) –

• run_id (UUID) –

• parent_run_id (Optional[UUID]) –

• kwargs (Any) –

Return type

Any

on_agent_finish(finish: AgentFinish, *, run_id: UUID, parent_run_id: Optional[UUID] = None, **kwargs: Any) → Any

Run on agent end.

Parameters

• finish (AgentFinish) –

• run_id (UUID) –

• parent_run_id (Optional[UUID]) –

• kwargs (Any) –

Return type

Any

on_chain_end(outputs: Dict[str, Any], *, run_id: UUID, parent_run_id: Optional[UUID] = None, **kwargs: Any) → Any

Run when chain ends running.

Parameters

• outputs (Dict[str, Any]) –

• run_id (UUID) –

• parent_run_id (Optional[UUID]) –

• kwargs (Any) –

Return type

Any

on_chain_error(error: BaseException, *, run_id: UUID, parent_run_id: Optional[UUID] = None, **kwargs: Any) → Any

Run when chain errors.

Parameters

• error (BaseException) –

• run_id (UUID) –

• parent_run_id (Optional[UUID]) –

• kwargs (Any) –

Return type

Any