Programmatic Change Request Checks in SAP MDG

TRY.
          CALL METHOD lo_gov_api->if_usmd_gov_api_process~check_complete_data
            EXPORTING
              iv_crequest_id = iv_creq_id.
        CATCH cx_usmd_gov_api_core_error .
      ENDTRY.

      CALL METHOD lo_gov_api->if_usmd_gov_api~get_messages
        RECEIVING
          rt_messages = lt_message.