protected function CheckAuthorisationResponse($sMessageConsumer = '')
    {
        $bResponseSuccessful = false;
        if (empty($sMessageConsumer)) {
            $sMessageConsumer = $this->GetMsgManagerName();
        }
        $sReturnMessage = $this->GetErrorCodesFromResponse();
        if (!empty($sReturnMessage)) {
            $oMsgManager = TCMSMessageManager::GetInstance();
            $oMsgManager->AddMessage($sMessageConsumer, $sReturnMessage);
        } else {
            $bResponseSuccessful = true;
        }

        return $bResponseSuccessful;
    }