protected function _initSessionData()
    {
        /** @var Utilities $oUtils */
        $oUtils = $this->getInstance("Utilities");

        //storing country value settings to session
        $sCountryLang = $oUtils->getRequestVar("country_lang", "post");
        if (isset($sCountryLang)) {
            $this->setSessionParam('country_lang', $sCountryLang);
        }

        //storing shop language value settings to session
        $sShopLang = $oUtils->getRequestVar("sShopLang", "post");
        if (isset($sShopLang)) {
            $this->setSessionParam('sShopLang', $sShopLang);
        }

        //storing if send information to OXID
        $blSendInformation = $oUtils->getRequestVar("send_technical_information_to_oxid", "post");
        if (isset($blSendInformation)) {
            $this->setSessionParam('send_technical_information_to_oxid', $blSendInformation);
        }

        //storing check for updates settings to session
        $blCheckForUpdates = $oUtils->getRequestVar("check_for_updates", "post");
        if (isset($blCheckForUpdates)) {
            $this->setSessionParam('check_for_updates', $blCheckForUpdates);
        }

        // store eula to session
        $iEula = $oUtils->getRequestVar("iEula", "post");
        if (isset($iEula)) {
            $this->setSessionParam('eula', $iEula);
        }
    }