json_schema: {
      "additionalProperties": false,
      "description": "A time of day in 24 hour format, with human readable fields.",
      "name": "Time",
      "properties": {
          "hour": {
              "description": "The hour, an integer between 0-23.",
              "type": "number"
          },
          "minute": {
              "description": "The minutes within an hour, an integer between 0-59.",
              "type": "number"
          }
      },
      "required": [
          "hour"
      ],
      "type": "object"
  }