You should void a transaction if you made a major mistake during ring up, such as ringing up a client for the wrong appointment.
Important: You should issue a refund in situations where you want to offer a goodwill gesture by giving the client their money back, such as when a client received poor service. Click here for instructions on how to issue a refund.
Use this method if you know the client's name or the ticket number.
Use this method if you only know when the transaction took place.