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Language

Theme

Pythonlangchain-corecallbacksmanagerCallbackManageron_chat_model_start

Method●Since v0.1

on_chat_model_start

Copy

on_chat_model_start(
  self,
  serialized: dict[str, Any],
  messages: list[list

View source on GitHub

[

]

]

,

run_id

:

|

None

=

None

,

**

kwargs

:

=

{

}

)

->

[

CallbackManagerForLLMRun

]

Parameters

Name	Type	Description
`serialized`*	`dict[str, Any]`	The serialized LLM.
`messages`*	`list[list[BaseMessage]]`	The list of messages.
`run_id`	`UUID \| None`	Default:`None`
`**kwargs`	`Any`	Default:`{}`

Run when chat model starts running.

The ID of the run.

Additional keyword arguments.