diff --git a/RH-Engine/CreateGraphics.cs b/RH-Engine/CreateGraphics.cs
index c6710db..9e7c056 100644
--- a/RH-Engine/CreateGraphics.cs
+++ b/RH-Engine/CreateGraphics.cs
@@ -59,5 +59,45 @@ namespace RH_Engine
             Console.WriteLine(sb.ToString());
             return sb.ToString();
         }
+
+        public string SkyboxCommand(int time)
+        {
+            if (time < 0 || time > 24)
+            {
+                throw new Exception("The time must be between 0 and 24!");
+            }
+            StringBuilder sb = new StringBuilder();
+            StringWriter sw = new StringWriter(sb);
+
+            using (JsonWriter writer = new JsonTextWriter(sw))
+            {
+                writer.Formatting = Formatting.Indented;
+
+                writer.WriteStartObject();
+                writer.WritePropertyName("id");
+                writer.WriteValue("tunnel/send");
+                writer.WritePropertyName("data");
+                writer.WriteStartObject();
+                writer.WritePropertyName("dest");
+                writer.WriteValue(tunnelID);
+                writer.WritePropertyName("data");
+                writer.WriteStartObject();
+                writer.WritePropertyName("id");
+                writer.WriteValue("scene/skybox/settime");
+                writer.WritePropertyName("data");
+                writer.WriteStartObject();
+                writer.WritePropertyName("time");
+                writer.WriteValue(time);
+                writer.WriteEndObject();
+                writer.WriteEndObject();
+                writer.WriteEndObject();
+                writer.WriteEndObject();
+
+            }
+
+            Console.WriteLine(sb.ToString());
+            return sb.ToString();
+
+        }
     }
 }
diff --git a/RH-Engine/Program.cs b/RH-Engine/Program.cs
index 69b4780..88ba343 100644
--- a/RH-Engine/Program.cs
+++ b/RH-Engine/Program.cs
@@ -14,8 +14,8 @@ namespace RH_Engine
         private static PC[] PCs = {
             new PC("DESKTOP-M2CIH87", "Fabian"),
             new PC("T470S", "Shinichi"),
-            new PC("NA", "Sem"),
-            new PC("NA", "Wouter"),
+            new PC("DESKTOP-DHS478C", "Sem"),
+            new PC("DESKTOP-TV73FKO", "Wouter"),
             new PC("NA", "Ralf"),
             new PC("NA", "Bart") };
         private static void Main(string[] args)
@@ -36,7 +36,7 @@ namespace RH_Engine
 
             stream.Write(res);
 
-            //Console.WriteLine("sent message " + message);
+            Console.WriteLine("sent message " + message);
         }
 
         public static string ReadPrefMessage(NetworkStream stream)
@@ -44,6 +44,7 @@ namespace RH_Engine
             byte[] lengthBytes = new byte[4];
 
             stream.Read(lengthBytes, 0, 4);
+            Console.WriteLine("read message..");
 
             int length = BitConverter.ToInt32(lengthBytes);
 
@@ -77,9 +78,14 @@ namespace RH_Engine
             Console.WriteLine(tunnelResponse);
             
             string tunnelID = JSONParser.GetTunnelID(tunnelResponse);
+            if (tunnelID == null)
+            {
+                Console.WriteLine("could not find a valid tunnel id!");
+                return;
+            }
 
             CreateGraphics createGraphics = new CreateGraphics(tunnelID);
-            string command = createGraphics.TerrainCommand();
+            string command = createGraphics.SkyboxCommand(2);
 
             
             Console.WriteLine("tunnelID is: " + tunnelID);