/sys$common/syshlp/helplib.hlb SET, ENTRY, Qualifiers, /NOTIFY  *Conan The Librarian (sorry for the slow response - running on an old VAX)

       /NOTIFY
       /NONOTIFY

    Controls whether a message notifies you when your job has been
    completed or aborted. Notification is sent to any terminal
    session on the same OpenVMS Cluster system to which you are
    logged in.