{
        "type": "function",
        "function": {
            "name": "google_maps_navigation",
            "description": "Utilizes the Google Maps API to return the full navigation path given the longitude and latitude of the start and destination points.",
            "parameters": {
                "type": "object",
                "properties": {
                    "start_longitude": {
                        "type": "number",
                        "description": "The longitude of the starting point."
                    },
                    "start_latitude": {
                        "type": "number",
                        "description": "The latitude of the starting point."
                    },
                    "destination_longitude": {
                        "type": "number",
                        "description": "The longitude of the destination point."
                    },
                    "destination_latitude": {
                        "type": "number",
                        "description": "The latitude of the destination point."
                    }
                },
                "required": [
                    "start_longitude",
                    "start_latitude",
                    "destination_longitude",
                    "destination_latitude"
                ]
            }
        }
    }