You can add a new payee by selecting the New Payee icon from your list of payees for the selected account. Enter their name, sort code and account number, followed by a reference.
You can edit your payees from the payees list in the menu. Select a name and tap Edit in the pop-up (You can delete them here too). On the Edit Payee screen, you can change the name, account details and default reference. Tap the Update button to save any changes.
You can also delete a payee by swiping left on the relevant name from the payees list.