Yet Another CPAN Grep

Catalyst-ActionRole-JMS ( D/DA/DAKKAR/Catalyst-ActionRole-JMS-1.3.tar.gz, DAKKAR, 2014; MetaCPAN )

Catalyst-ActionRole-JMS/lib/Catalyst/Controller/JMS.pm ( view source; MetaCPAN )

stash_key => 'message',
    default => 'application/json',
    map => {
        'application/json'   => 'JSON',
        'text/x-json'        => 'JSON',
    },
);


around create_action => sub {
    my

  stash_key => 'message',
    default => 'application/json',
    map => {
      'application/json'   => 'JSON',
      'text/x-json'        => 'JSON',
    },
  );

See L<Catalyst::Action::Deserialize>