data: lo_entity type if_rest_entity, ls_service type if_app_types=>service_s, lo_app_service_prov type ref to cl_app_service_prov.... create object lo_app_service_prov exporting io_entity = lo_entity. lo_app_service_prov->get_service( importing es_service = ls_service ).* process service document structure 'if_app_types=>service_s'...