{
  "name": "employee",
  "key": "email",
  "fields": {
    "name": {"type": "string", "required": true, "max": 20},
    "dept": {"type": "enum", "required": true, "values": ["영업팀", "재무팀", "인사팀", "개발팀", "IT팀", "총무팀"]},
    "email": {"type": "email", "required": true},
    "phone": {"type": "phone", "required": false},
    "joined": {"type": "date", "required": true}
  }
}