SAP ABAP Class CL_WB2_SI_LST (Billing Document List) is using

• Class (31)
• Data Element (8)
• Table/Structure Field (10)
• Function Module (2)
• Interface (9)
• Class Method (25)
• Program (1)
• Table (4)
• Transaction Code (1)

#	Object Type	Object Name	Object Description	Note
1	Table	DISVARIANT	Layout (External Use)
2	Table	WB2_FIELD_2_SEL	Pointer from Field Name to Selection Table
3	Table	WB2_SALES_KEY	Sales Document Keys
4	Table	WB2_VBRK	Billing Document: Header Data