/**
  * Update content of caption asset
  *      
  * 
  * @return \Kaltura\Client\Plugin\Caption\Type\CaptionAsset
  */
 function setContent($id, \Kaltura\Client\Type\ContentResource $contentResource)
 {
     $kparams = array();
     $this->client->addParam($kparams, "id", $id);
     $this->client->addParam($kparams, "contentResource", $contentResource->toParams());
     $this->client->queueServiceActionCall("caption_captionasset", "setContent", "KalturaCaptionAsset", $kparams);
     if ($this->client->isMultiRequest()) {
         return $this->client->getMultiRequestResult();
     }
     $resultXml = $this->client->doQueue();
     $resultXmlObject = new \SimpleXMLElement($resultXml);
     \Kaltura\Client\ParseUtils::checkIfError($resultXmlObject->result);
     $resultObject = \Kaltura\Client\ParseUtils::unmarshalObject($resultXmlObject->result, "KalturaCaptionAsset");
     $this->client->validateObjectType($resultObject, "\\Kaltura\\Client\\Plugin\\Caption\\Type\\CaptionAsset");
     return $resultObject;
 }