Library /sys$common/syshlp/latcp$help.hlb SHOW, QUEUE_ENTRY, Parameter  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 queue-entry-id

    Specifies the identification number (ID) of the queued entry
    for which information is displayed. If you do not specify a
    value for this parameter, information about all queued entries
    is displayed.