ios - Receipt Validation for Auto-renewable Subscription -


i confused line in apple's documentation:

for non-consumable products , auto-renewable subscriptions in ios 7 , later, use app receipt persistent record.

when says "receipt" here, referring data returned verification? or mean should read values directly thing stored @ appstoreurl (which i'm having difficult time figuring out how do).

my planned approach store important values return receipt verification in userdefaults , periodically verifying receipt make sure nothing changed. correct approach?


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