json_schema: {
    "properties": {
      "date": {
        "description": "The date of the meeting in the format YYYY-MM-DD",
        "type": "string"
      },
      "location": {
        "description": "The location of the meeting",
        "type": "string"
      },
      "participants": {
        "description": "The list of participants' names",
        "items": {
          "type": "string"
        },
        "type": "array"
      },
      "time": {
        "description": "The time of the meeting in the format HH:MM",
        "type": "string"
      }
    },
    "required": [
      "participants",
      "date",
      "time"
    ],
    "type": "object"
  }