Before setting up a membership upsell, make sure that the product you want to upsell is already created inside your Memberships, and that you have an Offer set up for it as well. This will allow you to properly link and sell the upsell during the checkout process.
To create a membership upsell, Head over to Memberships tab > Courses > then click on Offers
Choose the main Offer where you wanted to add an upsell and open it
Then Click on the Upsell tab
Inside the Upsell tab, click on +Add Upsell
Select an Upsell type and click Continue
Select the Offer you wanted to add as an upsell in the dropdown and click on Add Upsell Offer
You will be redirected to the design page for your Upsell offer. Customize the page to match your branding.
Once you're satisfied with the design, switch the status from 'Inactive' to 'Active' and click 'Save' to finalize your changes.
