override func viewDidLoad() { 
super. viewDidLoad() 
let builder = PaywallBuilder()
    builder.setApiClient ("[YOUR_API_CLIENT]")
    builder.setApiKey ("[YOUR_API_KEY]")
    builder. getVersion()
    builder.start3D(start3DPaymentRequestModel: <#T##Start3DPaymentRequestModel#>)() 
    builder?.end3D(endPaymentRequestModel: <#T##EndPaymentRequestModel#>)
}
                                

private lateinit varpaywallBuilder: PaywallBuilder
                
paywallBuilder = PaywallBuilder.Builder()
       .payWallListener(this)
       .apiClient("YOUR_API_CLIENT")
       .apiKey("YOUR_API_KEY")
       .build()     
       paywallBuilder.getVersion() 
       paywallBuilder.start3DPayment(start3DPaymentRequestModel = Start3DPaymentRequestModel())
       paywallBuilder.end3DPayment(endPaymentRequestModel = EndPaymentRequestModel())
                            

{
  “PaymentDetail”: {
    “Amount”: 58.85,
    “MerchantUniqueCode”: “122a3s131S212v12a22",
   “CurrencyId”:1,
    “MerchantSuccessBackUrl”:“https://www.google.com.tr/search?q=basarili”,
    “MerchantFailBackUrl”: “https://www.google.com.tr/search?q=basarisiz”,
    “Installement”: 1
       },
 “Card”:{
    “OwnerName”: “Esnekpos Kart”,
    “Number”: “4531444531442283”,
    “ExpireMonth”: “12”,
    “ExpireYear”: “2026”,
    “Cvv”: “001”,
    “UniqueCode”:“”
},
    “Customer”:{
     “FullName”: “FullName”,
    “Phone”:“5336662211",
    “Email”:“[email protected]”,
    “Country”:“Country”,
    “City”:“City”,
    “Address”:“Address”,
    “IdentityNumber”:“IdentityNumber”,
    “TaxNumber”:“TaxNumber”
},
    “Products”:[{
     “ProductId”:“ProductId”,
    “ProductName”:“ProductName”,
    “ProductCategory”:“ProductCategory”,
    “ProductDescription”:“ProductDescription”,
    “ProductAmount”:1.0
 }]
}