SAP ABAP Table P1718 (Infotype 1718: Previous Activities) is using

• Data Element (25)
• Message Class (4)
• Message Number (4)
• Table (3)

#	Object Type	Object Name	Object Description	Note
1	Table	HRI1718	Infotype 1718: Previous Activities
2	Table	HRIADMIN	Infotype Administration Data
3	Table	HRIPKEY	Key Structure for Infotype Structures PNNNN