diff --git a/GarrysModLuaShared/GarrysModLuaShared/DllMain.cs b/GarrysModLuaShared/GarrysModLuaShared/DllMain.cs
index a70aa31..50c6d45 100644
--- a/GarrysModLuaShared/GarrysModLuaShared/DllMain.cs
+++ b/GarrysModLuaShared/GarrysModLuaShared/DllMain.cs
@@ -10,6 +10,7 @@ static class DllMain
         [DllExport(CallingConvention = CallingConvention.Cdecl)]
         public static int gmod13_open(IntPtr luaState)
         {
+            RegisterCFunction(luaState, nameof(MyCSharpLibrary), nameof(MyCSharpLibrary.MyCSharpFunction), MyCSharpLibrary.MyCSharpFunction);
             return 0;
         }
 
diff --git a/GarrysModLuaShared/GarrysModLuaShared/GarrysModLuaShared.csproj b/GarrysModLuaShared/GarrysModLuaShared/GarrysModLuaShared.csproj
index 4943ebc..32260d7 100644
--- a/GarrysModLuaShared/GarrysModLuaShared/GarrysModLuaShared.csproj
+++ b/GarrysModLuaShared/GarrysModLuaShared/GarrysModLuaShared.csproj
@@ -37,6 +37,7 @@
     <Compile Include="lua_Hook.cs" />
     <Compile Include="lua_Reader.cs" />
     <Compile Include="lua_Writer.cs" />
+    <Compile Include="MyCSharpLibrary.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="TableIndex.cs" />
     <Compile Include="Type.cs" />
diff --git a/GarrysModLuaShared/GarrysModLuaShared/MyCSharpLibrary.cs b/GarrysModLuaShared/GarrysModLuaShared/MyCSharpLibrary.cs
new file mode 100644
index 0000000..89c64c1
--- /dev/null
+++ b/GarrysModLuaShared/GarrysModLuaShared/MyCSharpLibrary.cs
@@ -0,0 +1,14 @@
+using System;
+using static GarrysModLuaShared.Global;
+
+namespace GarrysModLuaShared
+{
+    static class MyCSharpLibrary
+    {
+        public static int MyCSharpFunction(IntPtr luaState)
+        {
+            print(luaState, "Hello from C# binary module!");
+            return 0;
+        }
+    }
+}
\ No newline at end of file