public function run()
{
return $this->render('fields', ['url' => $this->url, 'urlSave' => $this->urlSave, 'categoryId' => isset($this->categoryId) ? $this->categoryId : 0, 'entityModel' => $this->entityModel, 'entityName' => $this->entityName, 'bootstrapData' => $this->bootstrapData]);
}