username:password
Authorization: Basic *****************
curl --location --request GET 'https://statimlogistics-test.dsapp.io/integration/api/v1/userfields/<string>/items' \ --header 'Accept: text/plain' \ --header 'Authorization: Basic Og=='
{ "items": [ { "itemId": "string", "userFields": [ { "userFieldId": "string", "value": "string | null", "label": "string" } ] } ] }