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Theme

Pythonlangchain-corecallbacksstreaming_stdoutStreamingStdOutCallbackHandleron_chain_start

Method●Since v0.1

on_chain_start

Copy

on_chain_start(
  self,
  serialized: dict[str, Any],
  inputs: dict[str

View source on GitHub

,

Any

]

,

**

kwargs

:

=

{

}

)

->

None

Parameters

Name	Type	Description
`serialized`*	`dict[str, Any]`	The serialized chain.
`inputs`*	`dict[str, Any]`	The inputs to the chain.
`**kwargs`	`Any`	Default:`{}`

Run when a chain starts running.

Additional keyword arguments.