The output item that was marked done.

output_index: int

The index of the output item that was marked done.

sequence_number: int

The sequence number of this event.

type: Literal["response.output_item.done"]

The type of the event. Always response.output_item.done.

agent: Optional[Agent]

The agent that owns this multi-agent streaming event.

agent_name: str

The canonical name of the agent that produced this item.