has 'format' => (
is => 'rw',
default => sub { 'json' },
);
=head1 METHODS
=head2 new({ api_key => $key [, format => '(xml|json)'] })
Create a new L<Guardian::OpenPlatform::API> objec
default format for the data that you get
back from the Guardian. Valid values are 'json' or 'xml'. Default is 'json'.
=back
=head2 content({ qry => $query, [ filter => $filter, format => $fmt ] });
mat
This item is optional. Defines the data format that you want to get back.This can
be either 'json' or 'xml'. If no value is given then the default format given to
the C<new> method is used.
=ba