docs: function(params, callback) {
          /**
           * Callback for QB.chat.dialog.create().
           * @param {Object} error - The error object
           * @param {Object} createdDialog - the dialog object
           * @callback createDialogCallback
           * */
  
          if (params && params.occupants_ids && Utils.isArray(params.occupants_ids)) {
              params.occupants_ids = params.occupants_ids.join(', ');
          }
  
          this.service.ajax({
              url: Utils.getUrl(DIALOGS_API_URL),
              type: 'POST',
              data: params
          }, callback);
      }