Mvc\Model::validationHasFailed

use Phalcon\Mvc\Model;
use Phalcon\Mvc\Model\Validator\ExclusionIn as ExclusionIn;

class Subscriptors extends Model
{

public function validation()
  {
  $validator = new Validation();

            $validator->validate('status', new ExclusionIn(array(
            'domain' => array('A', 'I')
    ));

    return $this->validate($validator);
}
}