To add a new menu item to an existing line item selector when it is attached to a Receipt Tag's Qualification Criteria.
1. Navigate to Guests > Receipt Tags > Click on the Edit Symbol for the Receipt Tag you wish to edit the Qualification Criteria for.
2. When adding any new menu item to any existing Line Item Selector, ensure that any live receipt tags associated with that Line Item Selector are deactivated. Reference: How do I deactivate a Receipt Tag?
2. Tap on the Line Item Selector add the new menu items to the Base Item Attribute filters in the Base Items field when you are finished click Update.
4. Once the changes are done, the receipt tags can be reactivated. The estimated time for the receipt tags to be activated again is 10-15 minutes. Reference: How to activate a Receipt tag?