code: function(file){
          const list = require(utils.getAppLocalPath() + file);
          if(!isObject(list)) return false;
  
          Object.keys(list).forEach(key => {
              let window = list[key];
              this.createNew(key, window.title, window.url, window.setupTemplate, window.setup);
          });
      }
docs: Using this method you can create more than one window with the setup information retrieved from a JSON file.