Library /sys$common/syshlp/nclhelp.hlb reset, event_dispatcher, sink  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Resets the catchall, specific and global filters to the default
    value. It causes these filters to be reset to the values they
    had when the entity was created. It is equivalent to setting the
    values for these filters to their defaults.

    reset  [node node-id] event dispatcher sink simple-name

    Example:

    reset event dispatcher sink local_sink