CartTotal

Field	Type	Required	Description
type	string	yes	one of: subTotal, shipping, tax, payment, discount, grandTotal
label	string	yes
amount	number	yes
subTotals	array[Total]

Example

{
  "type": "tax",
  "label": "Tax (19%)",
  "amount": 7.6,
  "subTotals": [
    {}
  ]
}