nested.txt

{
  "settings": {
    "index": {
      "number_of_shards": 1, 
      "number_of_replicas": 0
    }
  }, 
  "mappings": {
    "doc": {
      "properties": {
        "name": { "type": "string" },
        "n1": {
          "type": "nested",
          "properties": {
            "name": {
              "type": "string",
              "store": true
            }
          }
        },
        "n2": {
          "properties": {}
        }
      }
    }
  }
}