Example request

{
  "changeFreezes": {
    "customerInitiatedFreezes": [
      {
        "appliesTo": "Splunk Initiated Changes Only",
        "endDate": "2006/02/01",
        "reason": "Black Friday/Cyber Monday Sales Week",
        "startDate": "2006/02/01"
      }
    ]
  },
  "preferredSchedule": {
    "additionalPreferences": [
      {
        "daysOfWeek": [
          "Monday"
        ],
        "timeSlot": {
          "end": "21:00",
          "start": "13:00"
        }
      }
    ],
    "preferredWindow": {
      "alternateDays": [
        "Monday"
      ],
      "preferredDay": "Monday",
      "timeSlot": {
        "end": "21:00",
        "start": "13:00"
      }
    }
  }
}