Service
Add order surcharge (additional charge).
Adding a surcharge to a single item — for example, extra costs for a special side dish or a complaint correction.
A surcharge is the opposite of a discount—an additional amount added to a single item. Typical examples include a special request not listed on the menu ("Extra truffles, +€5"), a custom side dish, or a forgotten mandatory surcharge.
Add surcharge

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Step 1
Tap on the item in the order — the item detail sheet will open.

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Step 2
Tap the three-dot menu on the item and select Surcharge.
The dialog box has two fields: a description and the amount. Both are mandatory—only then can you click the checkmark in the upper right corner. You can also enter the amount as a negative value, i.e., as a discount, using the ± toggle switch in the keyboard bar. The surcharge appears as a sub-item under the item and is clearly shown on the receipt.
Change or remove the surcharge
If an item already has a surcharge, the menu item is called "Edit surcharge". Additionally, "Remove surcharge" appears to delete the surcharge completely.
Surcharges are only available for individual items—there is currently no surcharge for the entire party. For service charges or flat-rate special costs, please speak with the owner: they can create a "service charge" item in the web desk, which will then be manually added to the order.
The surcharge is subject to the same VAT rate as the corresponding item. It does NOT appear separately in the Z-report, but rather as part of the item revenue.