The function is used to undo the last transaction. After its execution, the last transaction is irreversibly canceled, e.g. in the case of a sale, the funds deducted from the last transaction will be returned to the client’s card. Therefore, be very careful when using it !!!
After clicking on 1 Reversal, the application will ask you to confirm. Click 2 NO to abort the operation, click 3 YES to complete it.