{
  "persons": {
    "fields": [
      {
        "name": "name",
        "type": "String"
      },
      {
        "name": "propGroup",
        "type": {
          "answer": "Boolean",
          "date": "Date",
          "number": "Number",
          "sentence": "String"
        }
      }
    ],
    "options": {
      "timestamps": false
    },
    "primaryKeys": [
      "_id"
    ],
    "references": []
  }
}