I've also, just tried to find a solution for this. I searched for over 2 hours with no solutions. Firing ACTUAL subscription events, based on current users is apparently impossible. This doesn't seem to be related to just Smart Payment Buttons but ALL transactions. According to Paypal, we need to use their test data. Which means, we can't support ANY features of paypal that are not covered in the Test Data. This includes Smart Payments, and custom options for the various products. This is REALLY bad, and REALLY frustrating. I certainly share in the communities reactions to this. Paypal makes it VERY hard. It would be nice to have a button, wizard, or some type of interface that will send out events from actual accounts. Sadly, they seem to be lacking in this. As a result, we've already abandon the Buttons, but we're finding the generic subscription options no better. It would be nice if Paypal offered any support.
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