SAP ABAP Function Module FKK_INV_INVOICE_EXTDOC_DET (Offizielle Belegnummern in der Fakturierung ins FI/CA) is using

• Data Element (10)
• Table/Structure Field (16)
• Function Module (2)
• Table (12)

#	Object Type	Object Name	Object Description	Note
1	Table	DFKKEXTDOC	Official Document Number with Attributes
2	Table	DFKKEXTTMP	Temporary Entries for Official Document Number
3	Table	FKKINV_FKKDOC	Document Container for FI-CA Document
4	Table	FKKINV_KO	Invoicing: Header Data for FI-CA Document (FKKKO)
5	Table	FKKINV_OP	Invoicing: Business Partner Items (FKKOP)
6	Table	FKKINV_UNIT_DATA	Invoicing Unit	SOURCE REFERENCE(I_INV_UNIT) TYPE FKKINV_UNIT_DATA
7	Table	FKKINV_UNIT_DATA	Invoicing Unit
8	Table	FKKKO	Header Data In Open Item Accounting Document
9	Table	FKKOP	Business Partner Items in Contract Account Document
10	Table	FKKR_BLART	Range Structure for Document Class (FI-CA)
11	Table	TFK2605	Reference Document Types for Posting Documents
12	Table	TFK_EXTDOC	Document Type for Official Document Number