1. Click Products on the Navigation bar and select Products Modifiers from the drop-down

2. Click on Edit button of the Modifier Set line to be edited

3. Make the necessary changes and Click Save to apply the changes made

Click on Add anther option to add some more items to that group

Click on Add another group to add some more groups ( Maximum of 5 groups can be added to a modifier set )

Note : Use trash button next to group name to remove the entire group or trash button next to option name to remove only the option

Note: You can rearrange the group order by dragging group name up or down. The group order which is represented here will be replicated on billing window. Make sure you arrange the order properly