HOW TO HANDLE TIPS?
Từ Kiu Wiki
Configuration
From the dashboard, click on More ‣ Settings.
(a)
Add a product for the tip.
(a)
In the tip product page, be sure to set a sale price of 0€ and to remove all the taxes in the accounting tab.
(a)
Adding a tip
On the payment page, tap on Tip
(a)
Tap down the amount of the tip
(a)
The total amount has been updated and you can now register the payment.
(a)