sample-process-models/misc/qa/forms/test-nested-form-with-auto-complete/test-nested-form-with-auto-complete-uischema.json

{ 
  "item": { 
      "items" :  {
        "city": {
            "ui:widget": "typeahead",
            "ui:options": {
            "category": "cities",
            "itemFormat": "{name} ({state}, {country})"
            },
            "ui:help": "Start typing the city...",
            "ui:placeholder": "Start typing the city here"
          } 
      }   
  }
}