Add Subscription Product

Encore.onPurchaseRequest { request ->
    // request.productId    — store product to purchase
    // request.placementId  — which placement triggered this
    // request.promoOfferId — promotional offer ID (iOS only, nullable)

    yourBillingService.purchase(request.productId)
}

Encore.onPurchaseRequest { request ->
    val product = Purchases.sharedInstance
        .getProductsAsync(listOf(request.productId))
        .firstOrNull() ?: return@onPurchaseRequest

    Purchases.sharedInstance.purchaseProduct(product)
}

Encore.onPurchaseComplete { result, productId ->
    // result.purchaseToken  — Android Play Billing token
    // result.transactionId  — iOS StoreKit transaction ID
    // result.productId      — the purchased product
}