&MEMN, &MEMHLQ, &MEMLLQ and &MEMNQUAL are used
to name an object in a collection.
Restriction: These
read-only variables are valid only when &ACSENVIR is equal to
one of the three valid OAM environments (STORE, CTRANS, CHANGE), otherwise,
the passed value is nullified by ACS before invoking the ACS routines.