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    Pythonlanggraph-sdkschemaMessagesMetadataStreamPart
    Class●Since v0.3

    MessagesMetadataStreamPart

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    MessagesMetadataStreamPart()

    Bases

    TypedDict

    Constructors

    Attributes

    View source on GitHub
    constructor
    __init__
    NameType
    typeLiteral['messages/metadata']
    nslist[str]
    datadict[str, Any]
    attribute
    type: Literal['messages/metadata']

    Stream part type discriminator.

    attribute
    ns: list[str]

    Namespace path of the emitting node (empty for root graph).

    attribute
    data: dict[str, Any]

    Metadata dict for the message (e.g. langgraph_step, langgraph_node).

    Stream part emitted for message metadata (messages/metadata).