VMS Help System Services, $DLCEFC, Argument  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 name

    OpenVMS usage:ef_cluster_name
    type:         character-coded text string
    access:       read only
    mechanism:    by descriptor-fixed-length string descriptor
    Name of the common event flag cluster to be deleted. The name
    argument is the address of a character string descriptor pointing
    to the name of the cluster.

    The names of event flag clusters are unique to UIC groups, and
    the UIC group number of the calling process is part of the name.