Function getTracingCallbackHandler

getTracingCallbackHandler(session?: string): Promise<LangChainTracerV1>
Parameters
- Optionalsession: string
  Optional session to load into the tracer.
Returns Promise<LangChainTracerV1>
An instance of LangChainTracerV1.

Deprecated
Use the V2 handler instead.

Function that returns an instance of LangChainTracerV1. If a session is provided, it loads that session into the tracer; otherwise, it loads a default session.
- Defined in remotes/langchain-ai/langchainjs/v1/libs/langchain-core/src/tracers/initialize.ts:13