Tablet Connector for iOS

@IBAction func payTapped(_ sender: Any) {
    do {
        /***********************************************************************/
        /* Prepare the cart object with two items: 2 tables and 4 chairs */
        /***********************************************************************/
        var cart = Cart()
        var table = Item(
            productReference: "A2343SSS",
            type: .Good,
            name: "Table",
            quantity: 2,
            unitPrice: 30.50,
            taxRate: 0.0,
            totalAmount: 58.00
        )
        table.discount = 3.00
        table.productCategory = .HomeAppliances
        table.europeanArticleNumbering = "4711892728946"
        table.imageUrl = "https://www.hipay.com/yourImage"

        var chair = Item(
            productReference: "B7762NN",
            type: .Good,
            name: "Chair",
            quantity: 4,
            unitPrice: 10.20,
            taxRate: 0.0,
            totalAmount: 40.80
        )
        chair.productCategory = .HomeAppliances
        chair.productDescription = "A wooden chair"
        chair.europeanArticleNumbering = "4713716322385"
        chair.imageUrl = "https://www.hipay.com/yourImage"

        cart.items.append(table)
        cart.items.append(chair)

        /************************************/
        /* Prepare the customer object */
        /************************************/
        let customer = Customer(
            id: "1234",
            firstName: "John",
            lastName: "Doe",
            email: "[email protected]",
            mobilPhone: "0602020202",
            houseNumber: "1",
            streetAddress: "1 rue John Doe",
            streetAddress2: "Flat 101",
            zipCode: "75000",
            city: "Paris",
            state: nil,
            country: "FR"
        )

        /***************************************************/
        /* Prepare the custom additional information */
        /***************************************************/
        var customData = [String:Any]()
        customData["foo1"] = "foo2"
        customData["price"] = 12.30
        customData["event"] = 34
        customData["newCustomer"] = true

        /***********************************/
        /* Create the payment request */
        /***********************************/
        let requestPayment = try RequestPayment(
            amount: 98.80,
            transactionType: .Debit,
            forceAuthorization: false,
            currency: .EUR,
            orderId: "order_12345",
            cart: cart,
            customer: customer,
            customData: customData
        )

        /*******************************************************************/
        /* Send the payment request to the POS payment terminal */
        /*******************************************************************/
        requestPayment.delegate = self
        requestPayment.execute() // Request execution
    } catch RequestPaymentError.invalidAmount {
         // handle invalid amount
    } catch {
         // Others
    }
}