code: function(className, data, callback) {
          /**
           * Callback for QB.data.create(className, data, callback)
           * @callback createDataCallback
           * @param {object} error - The error object
           * @param {object} response - An object
           */
          var ajaxParams = {
              'type': 'POST',
              'data': data,
              'isNeedStringify': true,
              'contentType': 'application/json; charset=utf-8',
              'url': Utils.getUrl(config.urls.data, className)
          };
  
          this.service.ajax(ajaxParams, function(err,res) {
              if (err) {
                  callback(err, null);
              } else {
                  callback (err, res);
              }
          });
      }
docs: Create new custom object ({@link https://docsdev.quickblox.com/rest_api/CustomObjects_API.html#Create_object read more})
  
  @memberof QB.data
  
  @param {string} className - A class name to which a new object belongs
  @param {object} data - Object of parameters (custom fields' names and their values)
  @param {createDataCallback} callback - The createDataCallback function
  
  @example
  var data = {
  'name': 'John',
  'age':'20',
  'family': [
  'Stark',
  'Targaryen'
  ]
  };
  
  function createdDataCallback(error, response) {
  if (error) {
  console.log(error);
  } else {
  console.log(response);
  }
  }
  
  QB.data.create('GameOfThrones', data, createdDataCallback);