model from params

package Local::MyApp::Model::User;

use Moose;
use Valiant::Params -types;

has 'first_name' => (is=>'ro', required=>1, param=>1);
has 'last_name' => (is=>'ro', required=>1, param=>1);
has 'profile' => (is=>'ro', required=>1, param=>{type=>'::Profile'});

sub register_type {
  my ($class) = @_;
  return User => sub {
    return $class->new(@_);
  };
}

package Local::MyApp::Model::User;

use Moose;
use Valiant::OpenAPI;

has 'first_name' => (is=>'ro', required=>1);
has 'last_name' => (is=>'ro', required=>1);
has 'profile' => (is=>'ro', required=>1);

api_property first_name => (required=>1, type=>Str, min_length=>2, max_lenth=14);
api_property last_name => (required=>1, type=>Str, min_length=>2, max_lenth=24);
api_property profile => (required=>1, model=>'Profile');

package Local::MyApp::UserRequest;

use Moo;
use Valiant::RequestParameters;

has 'first_name' => (is=>'ro', required=>1);
has 'last_name' => (is=>'ro', required=>1);
has 'profile' => (is=>'ro', required=>1);
has 'credit_cards' => (is=>'ro', required=>1);

form_data first_name => +{},
          last_name => {},
          profile => {type=>'ProfileRequest'},
          credit_cards => {type=>'[CreditCardRequest]';