function update($dropFolderFileId, KalturaDropFolderFile $dropFolderFile)
 {
     $kparams = array();
     $this->client->addParam($kparams, "dropFolderFileId", $dropFolderFileId);
     $this->client->addParam($kparams, "dropFolderFile", $dropFolderFile->toParams());
     $this->client->queueServiceActionCall("dropfolder_dropfolderfile", "update", $kparams);
     if ($this->client->isMultiRequest()) {
         return $this->client->getMultiRequestResult();
     }
     $resultObject = $this->client->doQueue();
     $this->client->throwExceptionIfError($resultObject);
     $this->client->validateObjectType($resultObject, "KalturaDropFolderFile");
     return $resultObject;
 }