Message Class list used by SAP ABAP Function Module BAPI_USER_SYSTEM_ASSIGN (Change User-System Assignments in Central CUA System)
SAP ABAP Function Module BAPI_USER_SYSTEM_ASSIGN (Change User-System Assignments in Central CUA System) is using
# Object Type Object Name Object Description Note
     
1 Message Class  01 General Basis, e.g. user and authorization maintenance
2 Message Class  SUID01 Identity Management