Title: Export Promotion Usage Summary - response schema Provide summarised usage data for the supplied promotion in the supplied period. Version 1.0 : 2018-04-20. Initial schema creation. The Name of the API service action The Id of the API service action The message text. The code associated with the message. Flag indicating whether the process completed without errors. The selected page The number of items per page The total number of items available to be exported The total estimated page count, based on the requested page size.