SAP ABAP Function Module _USER_SUBSCRIBE (User Login) is using

• Class (7)
• Data Element (1)
• Interface (3)
• Message Class (1)
• Message Number (2)
• Class Method (7)

#	Object Type	Object Name	Object Description	Note
1	Class	CA_CRM_CCS_USER_PERS	Agent Persistence class for user
2	Class	CB_CRM_CCS_USER_PERS	Base agent Persistence class for user
3	Class	CL_BCB_SESSION_QUEUE_SENDER	CL_BCB_SESSION_QUEUE_SENDER-
4	Class	CL_CRM_CCS_USER_PERS	Persistence class for user
5	Class	CL_SAM_OBJECT_MESSAGE	Object Message
6	Class	CX_OS_OBJECT_EXISTING	Object Services: Object Exists
7	Class	CX_SAM_MESSAGING_EXCEPTION	Messaging Exception