StandardStreamEvent#

class langchain_core.runnables.schema.StandardStreamEvent[source]#

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.