/sys$common/syshlp/helplib.hlb System Services, $PERSONA MODIFY (Alpha Only), Arguments  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 persona

    OpenVMS usage:persona
    type:         longword (unsigned)
    access:       read only
    mechanism:    by reference
    Address of a longword containing the persona identification for
    which this service is to set information.

 itmlst

    OpenVMS usage:item_list_3
    type:         longword (unsigned)
    access:       read only
    mechanism:    by reference
    Attributes specifying which information in the persona is to
    be modified. The itmlst argument is the address of a list of
    item descriptors, each describing an item of information or an
    item list processing directive. The list of item descriptors is
    terminated by a longword value of 0.

    Refer to the OpenVMS System Services Reference Manual to view the
    item code diagram and descriptor fields table.