SAP ABAP Table TNCS3 (IS-HCM: Segment-to-Group Segment Assignment) is using

• Data Element (15)
• Table (3)

#	Object Type	Object Name	Object Description	Note
1	Table	TFDIR	Function Module
2	Table	TNCS0	IS-HCM Message Segments
3	Table	TNCST	IS-HCM Communication Standards