The restaurant owner/manager can allow authorized staff to quickly enter a custom price for items when taking an order.
Go to System settings → Location settings.
On the Purchase/Sale tab, select Sales and click Edit.
Check Enable Set price pop up for regular item with adjust price.
Then click Save.
When taking an order and selecting an item that allows price adjustment, the price adjustment screen will automatically appear.
Enter the price to be applied for the current order.
Then tap Done.
If the Order more feature is used for an item whose price has been adjusted, the modified price will be automatically applied to the new order.
This feature applies ONLY to Regular items.