REFERENCE(IS_DEVICE_GROUP) TYPE /AIN/DM_DEVGRP_STR OPTIONAL
REFERENCE(ES_DEVGRP) TYPE /AIN/DM_DEVGRP_STR
REFERENCE(IS_DEVGRP) TYPE /AIN/DM_DEVGRP_STR
T_DEVGRP STRUCTURE /AIN/DM_DEVGRP_STR OPTIONAL