Add solution for streaming tokens from LangGraph nodes (fixes #1539) #1543
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…in-ai#1539) This document provides comprehensive solutions for streaming individual tokens from LLM calls within LangGraph nodes. Includes: - Two main approaches (stream_mode="messages" and astream_events) - Complete working examples with proper config parameter usage - Key points and best practices - References to official documentation Resolves issue langchain-ai#1539
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Summary
This PR addresses issue #1539 by providing comprehensive documentation on how to stream individual tokens from LLM calls within LangGraph nodes.
Type of change
Related issues/PRs
Closes #1539
Description
Added a new documentation file
streaming-tokens-example.mdthat provides:Two Main Approaches:
stream_mode="messages"- The simplest way to get token-by-token streamingastream_events- For more detailed control with event filteringKey Features:
config: RunnableConfigparameter in node functionsTesting
The provided code examples follow the official LangChain/LangGraph patterns and are based on:
Checklist