public function addToRecomm()
    {
        if (!\OxidEsales\Eshop\Core\Registry::getSession()->checkSessionChallenge()) {
            return;
        }

        if (!$this->getViewConfig()->getShowListmania()) {
            return;
        }

        $recommendationText = trim(( string ) \OxidEsales\Eshop\Core\Registry::getConfig()->getRequestParameter('recomm_txt'));
        $recommendationListId = \OxidEsales\Eshop\Core\Registry::getConfig()->getRequestParameter('recomm');
        $articleId = $this->getProduct()->getId();

        if ($articleId) {
            $recommendationList = oxNew(\OxidEsales\Eshop\Application\Model\RecommendationList::class);
            $recommendationList->load($recommendationListId);
            $recommendationList->addArticle($articleId, $recommendationText);
        }
    }