content_index: int

The index of the reasoning content part.

item_id: str

The ID of the item this reasoning text is associated with.

output_index: int

The index of the output item this reasoning text is associated with.

sequence_number: int

The sequence number of this event.

text: str

The full text of the completed reasoning content.

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

The type of the event. Always response.reasoning_text.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.