LangChain Reference home pageLangChain ReferenceLangChain Reference
  • GitHub
  • Main Docs
Deep Agents
LangChain
LangGraph
Integrations
LangSmith
  • Overview
  • LangGraph Checkpoint
    LangGraph Store
    Checkpoint Postgres
    Store Postgres
    Checkpoint SQLite
    LangGraph Prebuilt
    LangGraph CLI
    LangGraph SDK
    LangGraph Supervisor
    LangGraph Swarm
    ⌘I

    LangChain Assistant

    Ask a question to get started

    Enter to send•Shift+Enter new line

    Menu

    LangGraph Checkpoint
    LangGraph Store
    Checkpoint Postgres
    Store Postgres
    Checkpoint SQLite
    LangGraph Prebuilt
    LangGraph CLI
    LangGraph SDK
    LangGraph Supervisor
    LangGraph Swarm
    Language
    Theme
    Pythonlanggraph-sdkschemaItem
    Class●Since v0.1

    Item

    Represents a single document or data entry in the graph's Store.

    Items are used to store cross-thread memories.

    Copy
    Item()

    Bases

    TypedDict

    Constructors

    Attributes

    View source on GitHub
    constructor
    __init__
    NameType
    namespacelist[str]
    keystr
    valuedict[str, Any]
    created_atdatetime
    updated_atdatetime
    attribute
    namespace: list[str]

    The namespace of the item. A namespace is analogous to a document's directory.

    attribute
    key: str

    The unique identifier of the item within its namespace.

    In general, keys needn't be globally unique.

    attribute
    value: dict[str, Any]

    The value stored in the item. This is the document itself.

    attribute
    created_at: datetime

    The timestamp when the item was created.

    attribute
    updated_at: datetime

    The timestamp when the item was last updated.