ios - Update pkpass file remotely without an app -

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i built website store , added coupons it. added link download pkpass file coupon, clients save coupons apple wallet app. have option update card remotely after customers save device (like change coupon text) read it, says can update card if customer saved app , not web. correct? there no way push update coupon if don't have app installed on user's device? there way around it?

you need have passkit web service pass register when it's added wallet:

https://developer.apple.com/library/ios/documentation/passkit/reference/passkit_webservice/webservice.html

updating pass explained in wallet developer guide:

https://developer.apple.com/library/ios/documentation/userexperience/conceptual/passkit_pg/updating.html#//apple_ref/doc/uid/tp40012195-ch5-sw1


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