public function getFeedSubmissionList($FeedSubmissionId = false)
 {
     $this->initAPI();
     $request = new MarketplaceWebService_Model_GetFeedSubmissionListRequest();
     $request->setMerchant($this->SellerId);
     if ($FeedSubmissionId) {
         if (!is_array($FeedSubmissionId)) {
             $FeedSubmissionId = array($FeedSubmissionId);
         }
         // $request->setFeedSubmissionIdList( $FeedSubmissionId );
         $idList = new MarketplaceWebService_Model_IdList();
         // $idList->withId('<Feed Submission Id>');
         $idList->setId($FeedSubmissionId);
         $request->setFeedSubmissionIdList($idList);
     } else {
         $request->setMaxCount(50);
     }
     $result = $this->invokeGetFeedSubmissionList($this->service, $request);
     return $result;
 }