To add tags:

Step 1: Visit Setup > Menu Setup.
Step 2: Search for the item you want to tag using the search field.
Step 3: Click the Edit button.
Step 4: Scroll down to the Tags section. Type the appropriate tag (e.g. 'Beverages' or 'Food') and hit enter.
Step 5: Click Update.
Step 6: Finally, click the Refresh POS Menu Items button.