To make a promotion able to use Promotion Upsells, do the following:
In the Pricing > Promotions task area, locate the promotion and select it.
Under the Promotion Upsell label, find the Promotion Upsells property and confirm that it holds the appropriate Promotion Upsells for this promotion.
If the Promotion Upsells list needs to be modified, click the field beside the Promotion Upsell property and then click the “…” button within it. Once the Promotion Upsell dialog box opens, use the Add and Remove buttons to modify the list before clicking OK.
Under the Promotion Upsell label, locate the Enable Promotion Upsells property and toggle it to
true.
