curl --request POST \
  --url https://api.shiftkeeper.io/schedules/{schedule_id}/overrides/ \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '{
  "start": "2024-12-01T00:00:00Z",
  "end": "2024-12-08T00:00:00Z",
  "user_references": [
    {
      "type": "email",
      "value": "dena@example.org"
    }
  ]
}'

{
  "override": {
    "id": "ovr_i9fo8GI1YBAQhtoArC3N1",
    "start": "2024-12-01T00:00:00Z",
    "end": "2024-12-08T00:00:00Z",
    "users": [
      {
        "id": "usr_C0GwCFdk0I4pBMRny4qYV",
        "name": "Dena",
        "email": "dena@example.org",
        "role": "standard",
        "seat": "member",
        "slack_id": "U082GMAFR1T"
      }
    ]
  }
}