Message::Passing::Filter::All - Filter all messages out.

       See Message::Passing.

perl v5.32.1                                       2021-11-09                 Message::Passing::Filter::All(3pm)

       This filter just removes all messages, not passing any through.

       You would normally never want to use this, but it can be useful for testing occasionally.

filter
       Universally returns undef

       Message::Passing::Filter::All - Filter all messages out.

       This module exists due to the wonderful people at Suretec Systems Ltd.  <http://www.suretecsystems.com/>
       who sponsored its development for its VoIP division called SureVoIP <http://www.surevoip.co.uk/> for use
       with the SureVoIP API - <http://www.surevoip.co.uk/support/wiki/api_documentation>