Add-on products can be added to either a membership or event form. Forms now have an additional tab where these products can be added through.
1. Click EDIT against the relevant membership or event form.
2. Click into the ADD-ON PRODUCT tab.
3. Click ADD EXISTING ADD-ON PRODUCTS TO FORM.
4. Select the relevant add-on product > add.
4. Repeat if other add-on products need to be added. Once happy click SAVE.