- Go to Commerce > Marketing > Upsell > Related Items Categories > New.
- In the Category field, enter a name for this related item group.You will select this Category name when adding related item groups to items later in Step 10.
- (Optional) In the Brief Description field, enter a short message describing this group.
- On the Basic subtab, select an item from the list. Each item’s brief description appears in the Item Description field.
- Click Add.
- Repeat steps 4 and 5 to add other items to this group.
- When you have finished, click Save.
- Go to Lists > Accounting > Items.
- Click Edit next to the item with which you want to associate the related items group.
- Click the Related Items subtab
- In the Related Item column, select the related item group from the list of categories.
- Click Add.
- Click Save.