工具调用 / Function Calling

POST /v1/chat/completions

{
  "model": "gpt-4o-mini",
  "messages": [
    { "role": "user", "content": "查询订单 A123 的物流状态" }
  ],
  "tools": [
    {
      "type": "function",
      "function": {
        "name": "get_order_status",
        "description": "查询订单物流状态",
        "parameters": {
          "type": "object",
          "properties": {
            "order_id": {
              "type": "string",
              "description": "订单号"
            }
          },
          "required": ["order_id"]
        }
      }
    }
  ]
}