SAP ABAP SOBJ VBRK (VBRK) is using

• Table/Structure Field (20)
• Function Module (17)
• Program (1)
• Table (18)
• Transaction Code (1)

#	Object Type	Object Name	Object Description	Note
1	Table	BAPICCARD_VF	Communication Table: Means of Payment Order/Billing Document
2	Table	BAPICREATORDATA	Information for Setting Up Data Records
3	Table	BAPIKOMFK	Billing : Communication structure
4	Table	BAPIKOMV	Communication Fields for Conditions
5	Table	BAPIRET1	Return Parameter
6	Table	BAPIRETURN1	Return Parameter
7	Table	BAPISUCC	Communication Fields for Billed Items
8	Table	BAPIVBRK	Communication Fields for Billing Header Fields
9	Table	BAPIVBRKOUT	Information on object BAPIVBRK
10	Table	BAPIVBRKSUCCESS	Information for Successfully Processing Billing Doc. Items
11	Table	BAPIVBRKTESTRUN	Simulation Screen Control (no changes in DB)
12	Table	BAPI_REF_DOC_RANGE	Structure for Material Master BAPI Interface: Matl No. Range
13	Table	OBJ_RECORD	Structure of types OLE2_OBJECT
14	Table	RVSEL	Work Area Selection Indicator for Reporting
15	Table	SWCONT	Instance Structure
16	Table	SWOTINVOKE	Parameter from SWO_METHOD_INVOKE
17	Table	SWOTRTIME	Runtime Control Structure Objects
18	Table	VBRK	Billing Document: Header Data