REFERENCE(I_GENHIER) TYPE REF TO CL_GENERIC_HIERARCHY_DATA OPTIONAL
REFERENCE(IV_DATA_OBJECT) TYPE REF TO CL_GENERIC_HIERARCHY_DATA OPTIONAL
REFERENCE(IV_DATA_OBJ) TYPE REF TO CL_GENERIC_HIERARCHY_DATA OPTIONAL
VALUE(IP_DATA_OBJECT) TYPE REF TO CL_GENERIC_HIERARCHY_DATA