How do I get the last four digits of the real card number in apple Pay by "PKSecureElementPass.primaryAccountNumberSuffix"？

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we want to get the last four digits of the real card number in apple Pay, and I found information about it in the document, link: https://developer.apple.com/documentation/passkit_apple_pay_and_wallet/pksecureelementpass/3543366-primaryaccountnumbersuffix?language=objc My question is how to use it,can you provide sample code? We are very anxious, thank you!

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zhangruiguo OP

1w

if (@available(iOS 13.4, *)) { NSArray<PKSecureElementPass *> *secureArray = [passLib remoteSecureElementPasses];

NSLog(@"Number of passes in library are: %lu", (unsigned long)[secureArray count]);

if ([secureArray count] > 0) {
    PKSecureElementPass *onePass = [secureArray objectAtIndex:0];

    NSLog(@"One pass: %@", onePass);

    PKPaymentPass *paymentPass = [onePass paymentPass];

    if (paymentPass) {
        NSLog(@"Pass activation code: %lu", (unsigned long)[paymentPass activationState]);

        NSLog(@"AuthenticationToken: %@, DeviceAccountIdentifier: %@, PrimaryAccountNumberSuffix: %@",
              [paymentPass authenticationToken],
              [paymentPass deviceAccountIdentifier],
              [paymentPass primaryAccountNumberSuffix]);
    }
}

} else { // Fallback on earlier versions } I try to use "remoteSecureElementPasses", but either distribute certificate or development certificate, the array's count is always 0.

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