Recently Wix released a Plans/Packages feature, so we can not only sell unlimited memberships, but also Plans that offer a specific amount of sessions within a Package. Wix also have a feature to apply coupons on store. But what about coupons to apply on plans? Is there any way we can get this? Idealy, we would be able to set the duration and how aplicable is the coupon, just like in store. For example: Coupon that offers 50% off on the first month of a certain plan, or coupons that offer the first 2 months for free on a plan.