Select your product
Click Items & Orders > Products
Click into your product from the list
Change the Categorisation to Product With Modifier Groups from the popup menu
Click Save
Create modifier groups
Click Items & Orders > Modifier Groups
Click +Add modifier group
Name the modifier group eg; Eggs Benedict type
Click +Add modifier
Select an existing modifier or name the new modifier and click +Add
Set Min/ Max Selection and Default Selection quantities
Click +Add modifier if more modifiers are required
Set the Modifier group Rules.
Click Save
Repeat for additional modifier groups
Add modifier groups to the product
Click Items & Orders > Products (In dev)
Click on the product
Scroll down to Modifier groups, from the search bar start typing to find the modifier group from the dropdown box
Using the six dots on the left side, you can select the order in which they appear on the POS screen by clicking and dragging if there is more than one modifier group
Click Save
Test to confirm that the operation and options are correct.