public function validation()
{
$validator = new Validation();
$validator->add('created_at', new PresenceOf())->add('email', new StringLength(['min' => '7', 'max' => '50']))->add('email', new Email())->add('email', new Uniqueness())->add('status', new ExclusionIn(['domain' => ['P', 'I', 'w']]))->add('status', new InclusionIn(['domain' => ['A', 'y', 'Z']]))->add('status', new Regex(['pattern' => '/[A-Z]/']));
return $this->validate($validator);
}