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Web Channels Pregel Prebuilt Remote

Ui Client Auth React Logging React Ui Utils Server Stream

LangGraph Checkpoint

LangGraph Checkpoint MongoDB

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JavaScript@langchain/langgraph-sdkstreamUseStreamCommonOptionsmessagesKey

Property●Since v2.0

messagesKey

State key holding the message array. Defaults to "messages".

Copy

messagesKey: string

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