To change a customer a one-off payment, click the Customers tab at the top.

Find your customer and click on him or her. Put in the amount you'd like to charge them and the description of the charge, and click Charge.

To change a customer a one-off payment, click the Customers tab at the top.
Find your customer and click on him or her. Put in the amount you'd like to charge them and the description of the charge, and click Charge.