{
  "name": "ScheduleUpdate",
  "fields": [
    {
      "name": "start_time",
      "type": "string",
      "description": "The updated start time in HH:MM format."
    },
    {
      "name": "max_guests",
      "type": "int32",
      "description": "The updated maximum number of guests for this session."
    },
    {
      "name": "status",
      "type": "string",
      "description": "The updated status of the schedule entry."
    }
  ]
}