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JavaScript@langchain/langgraph-sdkuiStreamOrchestratorgetMessagesMetadata
Method●Since v2.0

getMessagesMetadata

Look up metadata for a specific message, merging stream-time metadata with history-derived metadata.

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getMessagesMetadata(message: Message, index: number): MessageMetadata<StateType> | undefined

Parameters

NameTypeDescription
message*Message

The message to look up metadata for.

indexnumber

Optional positional index used as a fallback identifier.

View source on GitHub