diff --git a/src/rudp/partials/RUDP.ClientTo.cs b/src/rudp/partials/RUDP.ClientTo.cs
index ac6c322..301259f 100644
--- a/src/rudp/partials/RUDP.ClientTo.cs
+++ b/src/rudp/partials/RUDP.ClientTo.cs
@@ -33,6 +33,13 @@ private struct Config
                     public const byte CloseRepeat = 32;
                 }
 
+                private class Package
+                {
+                    public uint Id { get; set; }
+                    public byte[] Data { get; set; }
+                    public sbyte Type { get; set; }
+                }
+
 
                 private ClientTo()
                 {