Adding a product group

You can associate a product group to a mapping group to get the product by size.
  1. Select Configuration > Menu Items > Product Groups.
  2. Click Add Product Group.
  3. Specify a name for the product group.
  4. From the options, select a mapping group.
  5. Click Next.
  6. In the row of each mapping modifier, select a menu item.
  7. To set this option as default, select the Default check box.
  8. Click Save Changes.