MooseX::RemoteHelper example

remote_helper.pl

package MessagePart {
    use Moose 2;
    use MooseX::RemoteHelper;

    has array => (
        remote_name => 'SomeColonDelimitedArray',
        isa        => 'ArrayRef',
        is         => 'ro',
        serializer => sub {
            my ( $attr, $instance ) = @_;
            return join( ':', @{ $attr->get_value( $instance ) } );
        },
    );

    __PACKAGE__->meta->make_immutable;
}