item_id: str

Unique ID for the output item associated with the web search call.

output_index: int

The index of the output item that the web search call is associated with.

sequence_number: int

The sequence number of the web search call being processed.

type: Literal["response.web_search_call.searching"]

The type of the event. Always response.web_search_call.searching.

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.