If the invoice does not exist in Xoro or if you are giving a credit to a customer without returning any inventory into stock then you will want to use the Credit Memo module, add a service type item, and adjust the credit amount. Please consult your accounting team when creating the Service type item to ensure the correct accounts are set up.
If the invoice does exist in Xoro and you are returning inventory into stock then you will want to use the Invoice Credit Memo module to process your return.
The videos below walk you through the above:
