SAP ABAP Table/Structure Field SYST - ONCOM (SYST) is used by

• Class (63)
• Function Module (868)
• Program (82)
• SOBJ (2)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	SOBJ	MESSAGE	MESSAGE	SO	BASIS	SAP_BASIS
2	SOBJ	RECIPIENT	RECIPIENT	SO	BASIS	SAP_BASIS