code

gistfile1.js

  Views.ConfigHeader = FauxtonAPI.View.extend({
    template: 'addons/config/templates/header',
    className: 'header-right',

    initialize: function () {
      this.rightHeader = this.setView('#add-section-button', new Views.AddConfigOptionsButton({ 
        toggleTrayBtnSelector: '#add-new-section',
        collection: this.collection 
      }));
    }
  });

  Views.AddConfigOptionsButton = Components.Tray.extend({
    template: 'addons/config/templates/add_config_option',

    events: {
      'click #js-create-config-section': 'createConfigOption'
    }

  });