Without seeing the errors that you are having, it would not be possible to troubleshoot. I would recommend to start with this sample IAP project Sample IAP Project The key that you refer to is not relevant to IAP, it’s for reporting purposes only.
Without seeing the errors that you are having, it would not be possible to troubleshoot. I would recommend to start with this sample IAP project Sample IAP Project The key that you refer to is not relevant to IAP, it’s for reporting purposes only.