SAP ABAP Program LWLF1F28 (Include LWLF1F28) is using

• Class (4)
• Data Element (7)
• Table/Structure Field (103)
• Function Module (7)
• Message Class (1)
• Message Number (8)
• Class Method (4)
• Table (12)

#	Object Type	Object Name	Object Description	Note
1	Message Class	WS	Vendor Billing Document