json_schema: {
    "properties": {
      "event_date": {
        "description": "The date of the event in 'YYYY-MM-DD' format",
        "type": "string"
      },
      "event_location": {
        "description": "The location of the event",
        "type": "string"
      },
      "event_time": {
        "description": "The time of the event in 'HH:MM' format",
        "type": "string"
      },
      "event_title": {
        "description": "The title of the event",
        "type": "string"
      }
    },
    "required": [
      "event_title",
      "event_date",
      "event_time",
      "event_location"
    ],
    "type": "object"
  }