Update Method
Updates an invoice.
Syntax
procedure Update(invoiceId: String);Remarks
This method is used to update the invoice specified by invoiceId.
InvoiceInfo is used to specify the details (such as amounts, dates, and terms) of the invoice. InvoiceItems is used to specify items that are to be included on invoice. MerchantInfo, BillingInfo, and ShippingInfo are used to describe the contact information about the parties involved in the transaction that the invoice pertains to.
Note: MerchantEmail and BillingEmail are required.
After calling this method, the Ack property will indicate success or failure.