diff --git a/mROA/Class1.cs b/mROA/Class1.cs
deleted file mode 100644
index 3319e4b..0000000
--- a/mROA/Class1.cs
+++ /dev/null
@@ -1,5 +0,0 @@
-namespace mROA;
-
-public class Class1
-{
-}
\ No newline at end of file
diff --git a/mROA/ICommandExecution.cs b/mROA/ICommandExecution.cs
new file mode 100644
index 0000000..6b626e1
--- /dev/null
+++ b/mROA/ICommandExecution.cs
@@ -0,0 +1,11 @@
+namespace mROA;
+
+public interface ICommandExecution
+{
+    int ExecutionId { get; set; }
+
+    int ClientId { get; set; }
+    int CommandId { get; set; }
+    
+    void Cancel();
+}
\ No newline at end of file
diff --git a/mROA/IExecuteModule.cs b/mROA/IExecuteModule.cs
new file mode 100644
index 0000000..98f483f
--- /dev/null
+++ b/mROA/IExecuteModule.cs
@@ -0,0 +1,6 @@
+namespace mROA;
+
+public interface IExecuteModule
+{
+    void Execute(int objectId, int commandId, object parameter);
+}
\ No newline at end of file
diff --git a/mROA/IInputModule.cs b/mROA/IInputModule.cs
new file mode 100644
index 0000000..b6626fd
--- /dev/null
+++ b/mROA/IInputModule.cs
@@ -0,0 +1,7 @@
+namespace mROA;
+
+public interface IInputModule
+{
+    void AddIncomingRequestHandler(Action<object> handler);
+    void SendResponse(ICommandExecution call, object response);
+}
\ No newline at end of file
diff --git a/mROA/IInteractionModule.cs b/mROA/IInteractionModule.cs
new file mode 100644
index 0000000..ad2c005
--- /dev/null
+++ b/mROA/IInteractionModule.cs
@@ -0,0 +1,6 @@
+namespace mROA;
+
+public interface IInteractionModule
+{
+    void SendTo(int clientId, byte[] message);
+}
\ No newline at end of file