ICalculateTotalRequest

{
    "items": [
        {
            "discount": [
                null
            ],
            "tax": [
                null
            ],
            "service": null,
            "product": null,
            "name": "string",
            "amount": 0,
            "discountIds": [
                "string"
            ],
            "taxIds": [
                "string"
            ],
            "discountAmount": 0,
            "finalAmount": 0,
            "taxAmount": 0,
            "newAmount": 0,
            "quantity": 0,
            "itemType": "product",
            "itemId": "string"
        }
    ],
    "discountAmount": 0,
    "discountIds": [
        "string"
    ],
    "taxIds": [
        "string"
    ],
    "taxCalculationMode": "before-discount",
    "currency": {
        "name": "string",
        "symbol": "string"
    },
    "taxPerItem": true,
    "discountPerItem": true
}