Role::HasPayload - something that carries a payload
Including Role::HasPayload in your class is a promise to provide a
payload method that returns a hashref of data to be used for some purpose.
Some implementations of pre-built payload behavior are bundled with Role-HasPayload:
Ricardo Signes <email@example.com>
This software is copyright (c) 2010 by Ricardo Signes.
This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.