SAP ABAP Program FH5APTOP (Header for SAPFH5AP) is using

• Table/Structure Field (19)
• Message Class (1)
• Program (4)
• Table (17)

#	Object Type	Object Name	Object Description	Note
1	Table	HRBUFFER	Infotype Buffer
2	Table	HRDBTAB	Update Table
3	Table	HRRHAP	Function Group RHAP Parameter Structure
4	Table	HRTBUFFER	Buffer for Table Part of Table Infotype
5	Table	P1000	Infotype 1000: Object Name
6	Table	P1001	Infotype 1001: Relationships
7	Table	P1002	Infotype 1002: Description
8	Table	PLOG	Planning and Organization File
9	Table	PPENQ	Lock Key
10	Table	PPHDR	Common Key for PD Infotypes
11	Table	PPKEY	PPKEY: PD Key Structure
12	Table	PPLOG	PD Infotype Record
13	Table	PPPAR	PD Parameter String
14	Table	T777D	Infotypes - Dialog/Database Assignment
15	Table	T778L	Languages Supported in HR-PD
16	Table	T77EO	External Object Types
17	Table	WPLOG	PD Infotype Work Area