Function getTracingV2CallbackHandler

getTracingV2CallbackHandler(): Promise<LangChainTracer>
Returns Promise<LangChainTracer>
An instance of LangChainTracer.

Deprecated
Instantiate directly using the LangChainTracer constructor.

Function that returns an instance of LangChainTracer. It does not load any session data.
- Defined in langchain-core/src/tracers/initialize.ts:32