In the UpMenu panel, you have the option to enable the "Gratuity" option so that your customers can express their satisfaction when placing an order.
Enable adding a tip to an order
Enable an additional option and allow customers to leave online tips expressed in % or individually specified amount. You can also easily change the tip amount according to your preference.
Check the option "Gratuity" or can change the tip amount in %. "Save" the changes.
The customers can choose a tip expressed in % or enter any amount themselves.
You can see the tip settlement in your panel – in the summary of the customer’s order.