! Upgrade
{{!}} Array of int
{{!}} bgcolor="#7DC04E" {{!}} '''NEW IN 2.4'''. Returns an array of Subscription IDs that this Subscription has '''upgrade'''' relationship with.
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! Incompatible
{{!}} Array of int
{{!}} bgcolor="#7DC04E" {{!}} '''NEW IN 2.4'''. Returns an array of Subscription IDs that this Subscription has '''incompatible'''' relationship with.
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! RequiredDays
{{!}} int
{{!}} bgcolor="#7DC04E" {{!}} '''NEW IN 2.4'''. Number of days since the purchase that the user will not be able to perform upgrade operations having this subscription purchased until the time passes. Applications should use this information combined with [[CanWatch]] information to block users from purchasing subscriptions that have upgrade relationship with a Subscription that has not passed the required days.
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