code: public function getMedia($objectType = 'media', $objectURI = NULL, $objectId = NULL) {
          //An alias method for getall
          return $this->getAllMedia($objectType, $objectURI, $objectId);
      }
docs: Gets a collection with a single item;
  
  @param type $objectType
  @param type $objectURI
  @param type $objectId
  @return type