PromotionDetail

{
    "couponId": "string",
    "name": "string",
    "scope": "GLOBAL",
    "type": "CASH",
    "amount": 0,
    "stockId": "string",
    "wechatpayContribute": 0,
    "merchantContribute": 0,
    "otherContribute": 0,
    "currency": "string",
    "goodsDetail": [
        {
            "goodsId": "string",
            "quantity": 0,
            "unitPrice": 0,
            "discountAmount": 0,
            "goodsRemark": "string"
        }
    ]
}