public function attachEvents() { $itemClass = Kiwi::getItemClass(); Event::on($itemClass, $itemClass::EVENT_INIT, function ($event) { /** @var \yincart\item\models\Item $item */ $item = $event->sender; $item->attachBehavior('category', Kiwi::getCategoryBehaviorClass()); $item->attachBehavior('tag', Kiwi::getTagBehaviorClass()); }); }