https://learn.microsoft.com/en-us/uwp/api/windows.applicationmodel.store.currentapp.getunfulfilledconsumablesasync?view=winrt-28000
CurrentApp.GetUnfulfilledConsumablesAsync Method (Windows.ApplicationModel.Store) - Windows apps |...
Returns a list of purchased consumable in-app products that have not been reported to the Microsoft Store as fulfilled.
methodwindowsstoreapps