SAP ABAP Program SAPMSSY0 (System Exits) is used by

• Class (23)
• Function Module (4)
• Program (15)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_BGRFC_CONF_INB_DEST_READER Method: CLASS_CONSTRUCTOR	Implementation of the Configuration of Inbound Destinations	SQRFC2	BASIS	SAP_BASIS
2	Class	CL_BGRFC_CONF_SERVER_READER Method: CLASS_CONSTRUCTOR	Implementation of bgRFC Configuration on Server Level	SQRFC2	BASIS	SAP_BASIS
3	Class	CL_BGRFC_DB_HELPER Method: DESTINATION_UNLOCK_OUTBOUND	Background RFC Database Accesses	SQRFC2	BASIS	SAP_BASIS
4	Class	CL_BGRFC_DB_HELPER Method: DESTINATION_LOCK_INBOUND	Background RFC Database Accesses	SQRFC2	BASIS	SAP_BASIS
5	Class	CL_BGRFC_DB_HELPER Method: DESTINATION_UNLOCK_INBOUND	Background RFC Database Accesses	SQRFC2	BASIS	SAP_BASIS
6	Class	CL_BGRFC_DB_HELPER Method: ERROR_LOCK_OUTBOUND_UNIT	Background RFC Database Accesses	SQRFC2	BASIS	SAP_BASIS
7	Class	CL_BGRFC_DB_HELPER Method: ON_END_OF_UPDATE_TASK	Background RFC Database Accesses	SQRFC2	BASIS	SAP_BASIS
8	Class	CL_BGRFC_DB_HELPER Method: DELETE_UNIT	Background RFC Database Accesses	SQRFC2	BASIS	SAP_BASIS
9	Class	CL_BGRFC_DB_HELPER Method: DESTINATION_LOCK_OUTBOUND	Background RFC Database Accesses	SQRFC2	BASIS	SAP_BASIS
10	Class	CL_BGRFC_UNIT_KERNEL Method: CLASS_CONSTRUCTOR	Root Class for UNIT Handles	SQRFC1	BASIS	SAP_BASIS
11	Class	CL_COA_CO_TOTALS Method: WRITE	Manages CO Totals Records	DM_COA	DIMP	ECC-DIMP
12	Class	CL_LDQ_UNIT_READER Method: CLASS_CONSTRUCTOR	LDQ Unit Reader	SLDQ	BASIS	SAP_BASIS
13	Class	CL_LDQ_UNIT_WRITER Method: CLASS_CONSTRUCTOR	Write LDQ Unit	SLDQ	BASIS	SAP_BASIS
14	Class	CL_QRFC_LOCK_INBOUND Method: LOCK_QUEUE	Inbound qRFC Lock	SQRFC2	BASIS	SAP_BASIS
15	Class	CL_QRFC_LOCK_INBOUND Method: CLASS_CONSTRUCTOR	Inbound qRFC Lock	SQRFC2	BASIS	SAP_BASIS
16	Class	CL_QRFC_LOCK_INBOUND Method: IF_BGRFC_LOCK~RELEASE	Inbound qRFC Lock	SQRFC2	BASIS	SAP_BASIS
17	Class	CL_QRFC_LOCK_OUTBOUND Method: IF_BGRFC_LOCK~RELEASE	Outbound qRFC Lock	SQRFC2	BASIS	SAP_BASIS
18	Class	CL_QRFC_LOCK_OUTBOUND Method: LOCK_QUEUE	Outbound qRFC Lock	SQRFC2	BASIS	SAP_BASIS
19	Class	CL_QRFC_LOCK_OUTBOUND Method: CLASS_CONSTRUCTOR	Outbound qRFC Lock	SQRFC2	BASIS	SAP_BASIS
20	Class	CL_TRFC_LOCK_INBOUND Method: CLASS_CONSTRUCTOR	Inbound tRFC Lock	SQRFC2	BASIS	SAP_BASIS
21	Class	CL_TRFC_LOCK_INBOUND Method: IF_BGRFC_LOCK~RELEASE	Inbound tRFC Lock	SQRFC2	BASIS	SAP_BASIS
22	Class	CL_TRFC_LOCK_OUTBOUND Method: IF_BGRFC_LOCK~RELEASE	Outbound tRFC Lock	SQRFC2	BASIS	SAP_BASIS
23	Class	CL_TRFC_LOCK_OUTBOUND Method: CLASS_CONSTRUCTOR	Outbound tRFC Lock	SQRFC2	BASIS	SAP_BASIS