SitemapPage::model PHP Метод

    public static function model($className = __CLASS__)
    {
        return parent::model($className);
    }

 /**
  *
  */
 public function actionIndex()
 {
     $module = Yii::app()->getModule('sitemap');
     $sitemapFile = $module->getSiteMapPath();
     if (!file_exists($sitemapFile)) {
         $staticPages = SitemapPage::model()->getData();
         $this->generator->generate($sitemapFile, $staticPages);
     }
     $this->redirect(['/sitemap/sitemap/index'], 301);
 }