public function getProperty($userId, $propertyName)
    {
        //anydataset.Row
        $user = $this->getById($userId);
        if ($user !== null) {
            $values = $user->get($propertyName);

            if ($this->isAdmin($userId)) {
                return array("admin" => "admin");
            }

            return $values;
        }

        return null;
    }