code: function(id, callback) {
          /**
           * Callback for QB.pushnotifications.events.get(id, callback)
           * @callback getPushEventByIdCallback
           * @param {object} error - The error object
           * @param {object} response - An array of events' objects
           */
          this.service.ajax({url: Utils.getUrl(config.urls.events, id)}, callback);
      }
docs: Retrieve an event by ID ({@link https://docsdev.quickblox.com/rest_api/Push_Notifications_API.html#Retrieve_event read more})
  @memberof QB.pushnotifications.events
  @param {number} id - An id of event to retrieve
  @param {getPushEventByIdCallback} callback - The getPushEventByIdCallback function