Go to Admin portal, and navigate to the lefthand panel.

Therein, select Preferences and Settings dropdown menu, and then click on Settings.

Select the Service Charge tab.

Select +Add Row to add a service charge. Then, specify the required values for the fields that open up.

To open the options to either clone or delete the service charge, select the 3-dot button under the Options header, and select either Clone or Delete respectively.

Select the +Add Row again to add another service charge.

Select Update to apply changes.

Go back to design portal, create a new design or copy of existing design, add your cabinets and generate your pricing. The service charge would be added.