Library /sys$common/syshlp/uafhelp.hlb ADD, Qualifiers, /DIRECTORY  *Conan The Librarian (sorry for the slow response - running on an old VAX)

       /DIRECTORY=directory-name

    Specifies the default directory name for the DIRECTORY field of
    the UAF record. The directory-name can be 1 to 39 alphanumeric
    characters. If you do not enclose the directory name in brackets,
    AUTHORIZE adds the brackets for you. The default directory name
    is [USER].