addReadyForPromotedProductPurchaseListener static method
iOS only Sets a listener to be called when a user initiates a promoted in-app purchase from the App Store.
listener
ReadyForPromotedProductPurchaseListener to be added
Implementation
static void addReadyForPromotedProductPurchaseListener(
ReadyForPromotedProductPurchaseListener listener,
) {
_readyForPromotedProductPurchaseListeners.add(listener);
}