RefundTransactionVO

{
    "id": "string",
    "paymentId": "string",
    "refundNumber": "string",
    "amount": 0,
    "reason": "string",
    "createDateTime": "2025-10-28T12:11:33.427+08:00",
    "state": "string",
    "completeDateTime": "2025-10-28T12:11:33.427+08:00"
}