{
  "title": "Nested Form / Repeating Section",
  "description": "Allow the form submitter to add multiple entries for a set of fields.",
  "type": "object",
  "properties": {
    "item": {
      "type": "array",
      "title": "Cities",
      "items": {
        "type": "object",
        "required": [
          "city"
        ],
        "properties": {
          "city": {
            "type": "string",
            "title": "Select a city" 
          } 
        }
      }
    }
  }
}