LangChain Reference home pageLangChain ReferenceLangChain Reference
  • GitHub
  • Main Docs
Deep Agents
LangChain
LangGraph
Integrations
LangSmith
  • Overview
    • Overview
    • Caches
    • Callbacks
    • Documents
    • Document loaders
    • Embeddings
    • Exceptions
    • Language models
    • Serialization
    • Output parsers
    • Prompts
    • Rate limiters
    • Retrievers
    • Runnables
    • Utilities
    • Vector stores
    MCP Adapters
    Standard Tests
    Text Splitters
    ⌘I

    LangChain Assistant

    Ask a question to get started

    Enter to send•Shift+Enter new line

    Menu

    OverviewCachesCallbacksDocumentsDocument loadersEmbeddingsExceptionsLanguage modelsSerializationOutput parsersPromptsRate limitersRetrieversRunnablesUtilitiesVector stores
    MCP Adapters
    Standard Tests
    Text Splitters
    Language
    Theme
    Pythonlangchain-corecallbacksbaseBaseCallbackManageradd_metadata
    Method●Since v0.1

    add_metadata

    Add metadata to the callback manager.

    Copy
    add_metadata(
      self,
      metadata: dict[str, Any],
      inherit: bool = True
    ) -> None

    Parameters

    NameTypeDescription
    metadata*dict[str, Any]

    The metadata to add.

    inheritbool
    Default:True

    Whether to inherit the metadata.

    View source on GitHub