curl --request POST \
  --url https://public-api-demo.clearline.me/pos/{posSystemId}/company/{posCompanyId}/import/promotions \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json-patch+json' \
  --data '
{
  "items": [
    {
      "id": "110",
      "name": "Promotion 110",
      "useForAllCategories": true,
      "useForAllProducts": true,
      "locationIds": [
        "295"
      ],
      "categoryIds": [
        "2"
      ],
      "promotionValidities": [
        {
          "startDate": "2023-12-19T13:18:44.512Z",
          "endDate": "2023-12-19T13:18:44.512Z",
          "recurrence": {
            "daysOfWeek": [
              "Sunday"
            ],
            "startDate": "2023-12-19T13:18:44.512Z",
            "endDate": "2023-12-19T13:18:44.512Z"
          }
        }
      ],
      "productIds": [
        "1"
      ],
      "promotionResults": [
        {
          "promotionType": "Amount",
          "value": 10
        }
      ]
    }
  ]
}
'

{
  "data": {
    "status": "<string>",
    "createdCount": 123,
    "updatedCount": 123,
    "errors": [
      {
        "entityId": "<string>",
        "rowNumber": 123,
        "errorMessage": "<string>",
        "errorDetails": "<string>"
      }
    ],
    "warnings": [
      {
        "entityId": "<string>",
        "rowNumber": 123,
        "message": "<string>",
        "details": "<string>"
      }
    ]
  }
}