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JavaScript@langchain/coretracersrun_collector
Moduleā—Since v1.0

tracers/run_collector

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import { ... } from "@langchain/core/tracers/run_collector";

Classes

class
RunCollectorCallbackHandler

A callback handler that collects traced runs and makes it easy to fetch the traced run object from calls through any langchain object. For instance, it makes it easy to fetch the run ID and then do things with that, such as log feedback.

View source on GitHub