{
  "event_id": "evt_output_item_done_001",
  "type": "response.output_item.done",
  "response_id": "resp_001",
  "output_index": 0,
  "item": {
    "id": "msg_007",
    "type": "message",
    "status": "completed",
    "role": "assistant",
    "content": [
      {
        "type": "text",
        "text": "This model is best for live demos."
      }
    ]
  }
}

{
  "event_id": "evt_output_item_done_002",
  "type": "response.output_item.done",
  "response_id": "resp_001",
  "output_index": 1,
  "item": {
    "id": "fc_001",
    "type": "function_call",
    "status": "completed",
    "call_id": "call_001",
    "name": "get_product",
    "arguments": "{\"product_id\":\"sku_123\"}"
  }
}