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Language

Theme

Pythonlangchain-corecallbacksstreaming_stdoutStreamingStdOutCallbackHandleron_tool_start

Method●Since v0.1

on_tool_start

Copy

on_tool_start(
  self,
  serialized: dict[str, Any],
  input_str: str,
  **kwargs:

View source on GitHub

=

{

}

)

->

None

Parameters

Name	Type	Description
`serialized`*	`dict[str, Any]`	The serialized tool.
`input_str`*	`str`	The input string.
`**kwargs`	`Any`	Default:`{}`

Run when the tool starts running.

Additional keyword arguments.