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Language

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Pythonlangchain-corecallbacksmanagerCallbackManageron_custom_event

Method●Since v0.2

on_custom_event

Copy

on_custom_event(
  self,
  name: str,
  data: Any,
  run_id: UUID | None

View source on GitHub

=

None

,

**

kwargs

:

=

{

}

)

->

None

Parameters

Name	Type	Description
`name`*	`str`
`data`*	`Any`
`run_id`	`UUID \| None`	Default:`None`

Dispatch an adhoc event to the handlers (async version).

This event should NOT be used in any internal LangChain code. The event is meant specifically for users of the library to dispatch custom events that are tailored to their application.

The name of the adhoc event.

The data for the adhoc event.

The ID of the run.