{
  "schema": {
    "type": "object",
    "title": "Types",
    "properties": {
      "string": {
        "type": "string",
        "minLength": 3
      },
      "integer": {
        "type": "integer"
      },
      "number": {
        "type": "number"
      },
      "boolean": {
        "type": "boolean"
      }
    },
    "required": [
      "number"
    ]
  }
}