gistfile1.js

  rootNavigation: SC.Object.create({
    treeItemIsExpanded: YES,
    treeItemChildren: [
      SC.Object.create({
        name: "Home",
        icon: 'home-16',
        show: 'Ljm.HOME'
      }),
      SC.Object.create({
        name: "Journal",
        icon: 'journal-16',
        show: 'Ljm.JOURNAL',
        treeItemIsExpanded: YES,
        treeItemIsGrouped: YES,
        treeItemChildrenBinding: 'MyApp.journalsController.content'
      })
    ]
  })