private function _convertGetCaptureDetails($request) {
        
        $parameters = array();
        $parameters['Action'] = 'GetCaptureDetails';
        if ($request->isSetSellerId()) {
            $parameters['SellerId'] =  $request->getSellerId();
        }
        if ($request->isSetAmazonCaptureId()) {
            $parameters['AmazonCaptureId'] =  $request->getAmazonCaptureId();
        }

        return $parameters;
    }