SAP ABAP Program LWRF_APC_ITEM_ATTRF21 (form get_data_540) is using

• Class (6)
• Data Element (3)
• Table/Structure Field (13)
• Function Module (1)
• Message Number (1)
• Class Method (8)
• Table (6)

#	Object Type	Object Name	Object Description	Note
1	Table	BAPIRET2	Return Parameter
2	Table	WRF_APC_PLH	Purchasing List Header Data
3	Table	WRF_APC_PLI	Purchasing List Items
4	Table	WRF_APC_PLI_SCR_STY	PL item: screen structure
5	Table	WRF_APC_PLI_STY	Purchasing item data structure
6	Table	WRF_PSCD_DATELINE_HEAD_EXT_STY	Dateline, Header