curl --request PATCH \
  --url https://api.gcore.com/cloud/v1/schedule/{project_id}/{region_id}/{schedule_id} \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "day": "<string>",
  "day_of_week": "<string>",
  "days": 123,
  "hour": "<string>",
  "hours": 123,
  "max_quantity": 123,
  "minute": "<string>",
  "minutes": 123,
  "month": "<string>",
  "resource_name_template": "<string>",
  "retention_time": {
    "days": 123,
    "hours": 123,
    "minutes": 123,
    "weeks": 123
  },
  "timezone": "<string>",
  "type": "cron",
  "week": "<string>",
  "weeks": 123
}
'

{
  "id": "<string>",
  "max_quantity": 123,
  "owner": "<string>",
  "owner_id": 123,
  "retention_time": {
    "days": 0,
    "hours": 2,
    "minutes": 1,
    "weeks": 0
  },
  "type": "<string>",
  "user_id": 123,
  "day": "5",
  "day_of_week": "mon,fri",
  "hour": "0, 20",
  "minute": "30",
  "month": "1,6",
  "resource_name_template": "reserve snap of the volume {volume_id}",
  "timezone": "UTC",
  "week": "1"
}