{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "$ref": "#/definitions/CustomTypeField",
  "definitions": {
    "CustomTypeField": {
      "required": [
        "CreatedAt"
      ],
      "properties": {
        "CreatedAt": {
          "type": "string",
          "format": "date-time"
        }
      },
      "additionalProperties": false,
      "type": "object"
    }
  }
}
