VMS Help Lexicals, F$MESSAGE  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Returns as a character string the facility, severity,
    identification, and text associated with the specified system
    status code.

    Format

      F$MESSAGE(status-code[,message-component-list])

  Additional Information (explode) :

• Return Value
• Arguments
• Example