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# purchase(confirmIn:options:)

Initiates a purchase for the product with the App Store and displays the confirmation sheet.

```
@MainActor func purchase(confirmIn scene: some UIScene, options: Set<Product.PurchaseOption> = []) async throws -> Product.PurchaseResult
```

## Parameters

`scene`

The <doc://com.apple.documentation/documentation/UIKit/UIScene> the system uses to show the purchase confirmation UI.

`options`

A set of options ([`Product.PurchaseOption`](/documentation/StoreKit/Product/PurchaseOption)) you can associate with the purchase.

## Return Value

The result of the purchase, [`Product.PurchaseResult`](/documentation/StoreKit/Product/PurchaseResult).

## Discussion

StoreKit provides several APIs you can use to enable customers to initiate a purchase. Before using [`purchase(confirmIn:options:)`](/documentation/StoreKit/Product/purchase(confirmIn:options:)-6dj6y), consider the following APIs and choose the one that best suits your app’s implementation:

- Use [`PurchaseAction`](/documentation/StoreKit/PurchaseAction) for apps that use <doc://com.apple.documentation/documentation/SwiftUI> on any platform, including multi-scene apps for visionOS.
- Use [`purchase(confirmIn:options:)`](/documentation/StoreKit/Product/purchase(confirmIn:options:)-6dj6y) for apps that use <doc://com.apple.documentation/documentation/UIKit>.
- Use [`purchase(confirmIn:options:)`](/documentation/StoreKit/Product/purchase(confirmIn:options:)-8eai6) for apps that run on macOS and use <doc://com.apple.documentation/documentation/AppKit>.
- Use [`purchase(options:)`](/documentation/StoreKit/Product/purchase(options:)) for apps that runs on watchOS.

> Important:
> If you use StoreKit views such as ``doc://com.apple.storekit/documentation/StoreKit/ProductView``, ``doc://com.apple.storekit/documentation/StoreKit/StoreView``, or ``doc://com.apple.storekit/documentation/StoreKit/SubscriptionStoreView`` you don’t need to call any other API to initiate a purchase. StoreKit manages the purchase action automatically, including presenting the purchase confirmation UI. For more information, see <doc://com.apple.storekit/documentation/StoreKit/storekit-views>.

This method may throw a [`Product.PurchaseError`](/documentation/StoreKit/Product/PurchaseError) or [`StoreKitError`](/documentation/StoreKit/StoreKitError).

---

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