docs: function(listWithUpdates, callback) {
          /**
           * Callback for QB.chat.privacylist.update().
           * @param {Object} error - The error object
           * @param {Object} response - The privacy list object
           * @callback updatePrivacylistCallback
           * */
  
          var self = this;
  
          self.getList(listWithUpdates.name, function(error, existentList) {
              if (error) {
                  callback(error, null);
              } else {
                  var updatedList = {};
                  updatedList.items = Utils.MergeArrayOfObjects(existentList.items, listWithUpdates.items);
                  updatedList.name = listWithUpdates.name;
  
                  self.create(updatedList, function(err, result) {
                      if (error) {
                          callback(err, null);
                      }else{
                          callback(null, result);
                      }
                  });
              }
          });
      }