public function evaluateAttributesInternal($event)
    {
        if (empty($event->data['attributes']) === false) {
            $methodName = $event->data['methodName'];
            $value = $this->$methodName($event);
            foreach ((array) $event->data['attributes'] as $attribute) {
                if (is_string($attribute)) {
                    $this->$attribute = $value;
                }
            }
        }
    }