public function collectCommonData()
    {
        /** @var OxpsPaymorrowSettings $oPmSettings */
        $oPmSettings = oxNew( 'OxpsPaymorrowSettings' );

        /** @var oxUser|OxpsPaymorrowOxUser $oUser */
        $oUser = $this->getUser();

        return array(
            'merchantId'           => $oPmSettings->getMerchantId(),
            'mpiSignature'         => $oPmSettings->getMpiSignature(),
            'request_languageCode' => $oUser->getUserPaymorrowRequestLanguage(),
            'request_id'           => $this->getUniqueString(),
        );
    }