Eccube\Entity\Product::getDescriptionDetail PHP Method

    public function getDescriptionDetail()
    {
        return $this->description_detail;
    }

 /**
  * AdContents constructor.
  * @param Application $app
  * @param Product $product
  */
 public function __construct(Application $app, Product $product)
 {
     $shop_name = $app['eccube.repository.base_info']->get()->getShopName();
     $homepage_url = $app->url('homepage');
     $product_url = $app->url('product_detail', array('id' => $product->getId()));
     $this->headline = CsvContentsUtil::clipText($product->getName(), 15);
     $this->description1 = CsvContentsUtil::clipText($product->getDescriptionDetail(), 19);
     $this->description2 = CsvContentsUtil::clipText($shop_name, 19);
     $this->display_url = CsvContentsUtil::removeHttpText(CsvContentsUtil::clipText($homepage_url, 29));
     $this->link_url = CsvContentsUtil::clipText($product_url, 1024);
     $now = new \DateTime();
     $ad_name = $now->format('Ymd') . '_' . str_pad($product->getId(), 4, 0, STR_PAD_LEFT);
     $this->ad_inner_name = CsvContentsUtil::clipText($ad_name, 50);
 }