TaxCalculateParam

{
    "totalAmount": 0,
    "serviceFee": 0,
    "discountType": 1,
    "discountAmount": 0,
    "childName": "string",
    "childBirthDate": "2015-01-01",
    "promoDiscountType": 1,
    "deliveryFee": 0,
    "packingFee": 0,
    "productInfo": [
        {
            "productName": "coffee",
            "price": 100,
            "quantity": 1,
            "discountAmount": 1
        }
    ]
}