{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "title": "Author",
  "description": "An author",
  "type": "object",
  "properties": {
    "items": {
      "type": "array",
      "items": {
        "type": "object"
      }
    },
    "firstName": {
      "type": "string"
    },
    "lastName": {
      "type": "string"
    },
    "id": {
      "type": "string"
    }
  },
  "required": [
    "items",
    "firstName",
    "lastName",
    "id"
  ]
}