onPurchaseFailure
open override fun onPurchaseFailure(error: AdaptyError, product: AdaptyPaywallProduct, view: AdaptyPaywallView)
This callback is invoked when the purchase process fails.
Parameters
error
An AdaptyError object representing the error.
product
An AdaptyPaywallProduct of the purchase.
view
An AdaptyPaywallView within which the event occurred.