src/Ups.php
protected function request($access, $request, $endpointurl)
    {
        $requestInstance = new Request($this->logger);
        $response = $requestInstance->request($access, $request, $endpointurl);
        if ($response->getResponse() instanceof SimpleXMLElement) {
            $this->response = $response->getResponse();

            return $response->getResponse();
        }

        throw new Exception('Failure: Response is invalid.');
    }
protected function request($access, $request, $endpointurl)
    {
        $requestInstance = new Request($this->logger);
        $response = $requestInstance->request($access, $request, $endpointurl);
        if ($response->getResponse() instanceof SimpleXMLElement) {
            $this->response = $response->getResponse();

            return $response->getResponse();
        }

        throw new Exception('Failure: Response is invalid.');
    }
Send request to UPS.

@param string $access The access request xml
@param string $request The request xml
@param string $endpointurl The UPS API Endpoint URL

@throws Exception

@return SimpleXMLElement

@deprecated Untestable