diff --git a/VmcMessages/VmcExtCon.cs b/VmcMessages/VmcExtCon.cs
new file mode 100644
index 0000000..7569656
--- /dev/null
+++ b/VmcMessages/VmcExtCon.cs
@@ -0,0 +1,66 @@
+namespace godotVmcSharp
+{
+    public class VmcExtCon : VmcMessage
+    {
+        public int active { get; }
+        public string name { get; }
+        public int isLeft { get; }
+        public int isTouch { get; }
+        public int isAxis { get; }
+        public Godot.Vector3 axis { get; }
+        
+        public VmcExtCon(godotOscSharp.OscMessage m) : base(m.Address)
+        {
+            if (m.Data.Count != 8)
+            {
+                GD.Print($"Invalid number of arguments for /VMC/Ext/Con. Expected 8, received {m.Data.Count}.");
+                return;
+            }
+            if (m.Data[0].Type != 'i')
+            {
+                GD.Print(InvalidArgumentType.GetErrorString(addr, "active", 'i', m.Data[0].Type));
+                return;
+            }
+            if (m.Data[1].Type != 's')
+            {
+                GD.Print(InvalidArgumentType.GetErrorString(addr, "name", 's', m.Data[1].Type));
+                return;
+            }
+            if (m.Data[2].Type != 'i')
+            {
+                GD.Print(InvalidArgumentType.GetErrorString(addr, "IsLeft", 'i', m.Data[2].Type));
+            }
+            if (m.Data[3].Type != 'i')
+            {
+                GD.Print(InvalidArgumentType.GetErrorString(addr, "IsTouch", 'i', m.Data[3].Type));
+            }
+            if (m.Data[4].Type != 'i')
+            {
+                GD.Print(InvalidArgumentType.GetErrorString(addr, "IsAxis", 'i', m.Data[4].Type));
+            }
+            if (m.Data[5].Type != 'f')
+            {
+                GD.Print(InvalidArgumentType.GetErrorString(addr, "Axis.x", 'f', m.Data[5].Type));
+            }
+            if (m.Data[6].Type != 'f')
+            {
+                GD.Print(InvalidArgumentType.GetErrorString(addr, "Axis.y", 'f', m.Data[6].Type));
+            }
+            if (m.Data[7].Type != 'f')
+            {
+                GD.Print(InvalidArgumentType.GetErrorString(addr, "Axis.z", 'f', m.Data[7].Type));
+            }
+            if ((int)m.Data[0] < 0 || (int)m.Data[0] > 2)
+            {
+                GD.Print($"Invalid value for \"active\" 'i' argument of /VMC/Ext/Con. Expected 0-2, received {(int)m.Data[0].Value}");
+                return;
+            }
+            active = (int)m.Data[0];
+            name = (string)m.Data[1];
+            isLeft = (int)m.Data[2];
+            isTouch = (int)m.Data[3];
+            isAxis = (int)m.Data[4];
+            axis = new Godot.Vector3((float)m.Data[5], (float)m.Data[6], (float)m.Data[7]);
+        }
+    }
+}
\ No newline at end of file
diff --git a/VmcMessages/VmcExtHmdPos.cs b/VmcMessages/VmcExtDevicePos.cs
similarity index 97%
rename from VmcMessages/VmcExtHmdPos.cs
rename to VmcMessages/VmcExtDevicePos.cs
index ebf5724..31c7b1f 100644
--- a/VmcMessages/VmcExtHmdPos.cs
+++ b/VmcMessages/VmcExtDevicePos.cs
@@ -27,7 +27,7 @@ namespace godotVmcSharp
         public string serial { get; }
         public Godot.Transform3D transform { get; }
 
-        public VmcExtHmdPos(godotOscSharp.OscMessage m) : base(m.Address)
+        public VmcExtDevicePos(godotOscSharp.OscMessage m) : base(m.Address)
         {
             if (m.Data.Count != 8)
             {