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@_spi(PaymentMethodMessagingElementPreview) import StripePaymentSheet

class MyViewController: UIViewController {

    private var amount = 1000 // $10.00
    private var currency = "USD"

    private var paymentMethodMessagingElementView: UIView?

    func addPaymentMethodMessagingElement() {
        Task { @MainActor in
            // Create configuration object
            let configuration = PaymentMethodMessagingElement.Configuration(
                amount: amount,
                currency: currency,
            )

            // Create PaymentMethodMessagingElement
            switch await PaymentMethodMessagingElement.create(configuration: configuration) {
            case .success(let element):
                let elementView = element.view
                self.view.addSubview(elementView)
                self.paymentMethodMessagingElementView = elementView
                // Set up constraints for elementView
                NSLayoutConstraint.activate([(
                    // ..
                )])
            case .noContent:
                // No element is available to display with this configuration
                // You may want to adapt your UI accordingly
                // ...
            case .failed(let error):
                // An unrecoverable error has occurred while attempting to load the element
                // You may want to log the error or take other action
                // ...
            }
        }
    }

    override func viewDidLoad() {
        super.viewDidLoad()

        // Set up the remainder of your page
        // ...

        addPaymentMethodMessagingElement()
    }
}