/**
  * @inheritdoc
  */
 public function run()
 {
     WizardAsset::register($this->view);
     $this->registerPlugin('bootstrapWizard');
     return implode("\n", [Html::beginTag('div', $this->options), $this->renderItems(), Html::endTag('div')]);
 }
 public function registerAssets()
 {
     $view = $this->getView();
     WizardAsset::register($view);
 }