langchain_core.runnables.schema.StandardStreamEvent

class langchain_core.runnables.schema.StandardStreamEvent

A standard stream event that follows LangChain convention for event data.

event: str

run_id: str

tags: NotRequired[List[str]]

metadata: NotRequired[Dict[str, Any]]

parent_ids: Sequence[str]

data: EventData

Event data.

The contents of the event data depend on the event type.

name: str

The name of the Runnable that generated the event.