public function getUserParams(Mage_Api2_Model_Request $request)
    {
        $userParamsObj = new stdClass();
        $userParamsObj->type = null;
        $userParamsObj->id = null;

        if ($this->isApplicableToRequest($request)) {
            $userParamsObj->id = $this->getHelper()->getCustomerSession()->getCustomerId();
            $userParamsObj->type = self::USER_TYPE_CUSTOMER;
        }

        return $userParamsObj;
    }