Tool

{
    "type": "function",
    "function": {
        "name": "get_weather",
        "description": "Get the current weather for a location.",
        "parameters": {
            "type": "object",
            "properties": {
                "location": {
                    "type": "string",
                    "description": "City and country, e.g. 'Paris, FR'"
                }
            },
            "required": [
                "location"
            ]
        }
    }
}