arguments: str

The function-call arguments.

item_id: str

The ID of the item.

output_index: int

The index of the output item.

sequence_number: int

The sequence number of this event.

type: Literal["response.function_call_arguments.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.