Valid ISO 4217 currency code for the invoice
The date of the invoice
Options to send the invoice to the customer
Optional discountType of discount to apply to the invoice
Optional discountValue of the discount. For percentage type: 1-100, for flat type: positive number
Optional dueDate that the payment of this invoice is due
The line items of the invoice
Optional prefix?: stringCustom prefix for this invoice. All invoices for a pefix series are guaranteed to have separate counters
Optional status?: stringThe status of the invoice
Client against whom the invoice needs to be generated