diff --git a/csharp/Lib/Generators/Gen.cs b/csharp/Lib/Generators/Gen.cs
new file mode 100644
index 000000000..93d604216
--- /dev/null
+++ b/csharp/Lib/Generators/Gen.cs
@@ -0,0 +1,25 @@
+using Microsoft.CodeAnalysis;
+
+namespace InnovEnergy.Lib.Generators;
+
+[Generator]
+public class MySourceGenerator : ISourceGenerator
+{
+    public void Initialize(GeneratorInitializationContext context)
+    {
+    }
+
+    public void Execute(GeneratorExecutionContext context)
+    {
+        var file = "/home/eef/sync/work/Code/innovenergy/git/csharp/Lib/Protocols/Modbus/Reflection/Exec.cs";
+        
+        File.WriteAllText(file, "");
+
+        throw new Exception("foo");
+        
+        foreach (var st in context.Compilation.SyntaxTrees)
+        {
+            File.AppendAllText(file, st.GetText().ToString());
+        }
+    }
+}
\ No newline at end of file