public function onAfterBind(&$model, &$data) { $tagField = $model->getBehaviorParam('tagFieldName', 'tags'); if ($model->{$tagField}) { return; } $type = $model->getContentType(); $model->addKnownField($tagField); $model->{$tagField} = $this->tagsHelper->getTagIds($model->getId(), $type); }