update

Types/PaymentData.cs

@@ -1,8 +1,15 @@
 namespace spworlds.Types;
 
+public class Item
+{
+    public string Name { get; set; }
+    public int Count { get; set; }
+    public int Price { get; set; }
+    public string? Comment { get; set; } = null;
+}
 public class PaymentData
 {
-    public int Amount;
+    public Item[] Items;
     public string RedirectUrl;
     public string WebHookUrl;
     public string Data;