{
  "model": "gemini-2.5-pro",
  "messages": [
    {"role": "system", "content": "You are a helpful weather bot."},
    {"role": "user", "content": "What's the weather in Paris?"}
  ],
  "tools": [
    {
      "type": "function",
      "function": {
        "name": "get_weather",
        "description": "Get current weather for a location",
        "parameters": {
          "type": "object",
          "properties": {"location": {"type": "string"}},
          "required": ["location"]
        }
      }
    }
  ],
  "tool_choice": {"type": "function", "function": {"name": "get_weather"}}
}