json_schema: {
    "properties": {
      "meeting_details": {
        "properties": {
          "datetime": {
            "description": "The date and time of the meeting",
            "format": "date-time",
            "type": "string"
          },
          "participants": {
            "description": "The email addresses of the meeting participants",
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "title": {
            "description": "The title of the meeting",
            "type": "string"
          }
        },
        "required": [
          "title",
          "datetime",
          "participants"
        ],
        "type": "object"
      }
    },
    "required": [
      "meeting_details"
    ],
    "type": "object"
  }