How to create an add-on group?

This can be done via the Business Dashboard using the Menu Editor within Online Ordering.
Follow the steps given below:

  1. Select Menu Editor under Online Ordering on the dashboard navigation list.
    image

     

  2.  Find the Item you want to create an add-on item for by picking them from their relevant Category / Sub Category and select the same.image

  3. On the Item Details window, scroll down to Add-on group for this item section:
    image

     

  4. Create add-on items within predefined groups, like ‘Extras’, ‘Toppings’, or general ‘Add-ons’ or choose to "Make your own". 
    Enter the Add-on group name.
    Select the Minimum and Maximum add-on items that can be chosen by the customer.
    Enter the 
    Add-on Item Option name. 
    Select the Item Attribute from the dropdown.
    Enter the Additional Price for the item it is added to.
    image

     

  5.  Once you're done with edits click Save Add-on Group.

...