private function _convertListFinancialEvents($request) {

        $parameters = array();
        $parameters['Action'] = 'ListFinancialEvents';
        if ($request->isSetSellerId()) {
            $parameters['SellerId'] =  $request->getSellerId();
        }
        if ($request->isSetMWSAuthToken()) {
            $parameters['MWSAuthToken'] =  $request->getMWSAuthToken();
        }
        if ($request->isSetMaxResultsPerPage()) {
            $parameters['MaxResultsPerPage'] =  $request->getMaxResultsPerPage();
        }
        if ($request->isSetAmazonOrderId()) {
            $parameters['AmazonOrderId'] =  $request->getAmazonOrderId();
        }
        if ($request->isSetFinancialEventGroupId()) {
            $parameters['FinancialEventGroupId'] =  $request->getFinancialEventGroupId();
        }
        if ($request->isSetPostedAfter()) {
            $parameters['PostedAfter'] =  $request->getPostedAfter();
        }
        if ($request->isSetPostedBefore()) {
            $parameters['PostedBefore'] =  $request->getPostedBefore();
        }

        return $parameters;
    }