This is a method from the KashFlow Accounting Software SOAP API

Description

This method applies a customer credit note to an sales invoice to reduce the amount owed.

Parameters

IN
InvoiceID
Integer
The invoice id to which you wish to apply the credit note
IN
CreditNoteID
Integer
The id of the Credit Note (a negative-value invoice) to apply to the invoice

Returns

True if successful, false if not.