To ensure mobile payment transactions and record on your POS you will need to add a new payment or tender type button to your POS. It's likely that you will currently have default options like Cash, EftPOS, Cheque, and Account. Ideally the new option will be called 'Mobile Payment' or 'App payment'.
Once you had create this new option read HERE to learn how a standard T.O.M transaction will flow.=
If you unsure of how to add or edit payment or tender type buttons on your POS please contact your POS provider's Support Team.