diff --git a/Example/goSellSDKExample/Controllers/ExampleViewController.swift b/Example/goSellSDKExample/Controllers/ExampleViewController.swift
index 5c3e453..78dc9c8 100644
--- a/Example/goSellSDKExample/Controllers/ExampleViewController.swift
+++ b/Example/goSellSDKExample/Controllers/ExampleViewController.swift
@@ -86,6 +86,12 @@ internal class ExampleViewController: BaseViewController {
         session.dataSource = self
         session.delegate = self
         payButton?.dataSource = self
+        let topup:Topup = try! .init(walletID: "wallet_xx", reference: .init(transactionNumber: "trx_xx", orderNumber: "ord_xx"), application: .init(amount: 1, currency: .init(isoCode: "KWD")), metdata: ["key":"value"], post: .init(url: URL(string: "https://www.post.com")!))
+        let encoder = JSONEncoder()
+        encoder.outputFormatting = .prettyPrinted
+        let data = try! encoder.encode(topup)
+        let output:String = String(data: data, encoding: .utf8)!
+        print(output)
         //session.appearance = self
         
     }