successfully or not: EAlarm [...] not found, i.e. has not been added with
available ERR [...] is not initialized or it is not
available ERR [...] _NO_ACCESS_RIGHTS: User not authorized
_INVALID_HANDLE if not available
memory is not available InOut: Scope
VUM_User available [...] structure available in an [...] not actually used
_OK: Next group available [...] available ERR_NO_ACCESS_RIGHTS: User not authorized
_INVALID_HANDLE if not available
