CheckoutShippingCost
- shippingType: string
_rate requiredSelected shipping rate ID.
- amountType: amountWithCurrencyPrecisionFormat: int64
_subtotal requiredInteger amount in minor units (e.g. cents) specific to the currency. Example: 100 for €1.00
- amountType: amountWithCurrencyPrecisionFormat: int64
_tax requiredInteger amount in minor units (e.g. cents) specific to the currency. Example: 100 for €1.00
- amountType: amountWithCurrencyPrecisionFormat: int64
_total requiredInteger amount in minor units (e.g. cents) specific to the currency. Example: 100 for €1.00
- currencyType: CurrencyrequiredProperties: 2
Three-letter ISO currency code

