[
   {
      "id": "item1",
      "label": "Foo",
      "parentItemId": null,
      "type": "LINK",
      "pageId": null,
      "fileId": null,
      "externalUrl": "http://google.com"
   },
   {
      "id": "item2",
      "label": "Bar",
      "parentItemId": null,
      "type": "PAGE",
      "pageId": null,
      "fileId": null,
      "externalUrl": "http://www.example.com"
   }
]