SAP ABAP Function Module WLF_READ_DOCUMENT_FLOW (Belegfluß einlesen) is using

• Class (1)
• Data Element (2)
• Table/Structure Field (11)
• Interface (1)
• Message Class (1)
• Message Number (1)
• Class Method (2)
• Table (7)

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