diff --git a/src/module/todo/mod.rs b/src/module/todo/mod.rs
index 072b8a87..617413ab 100644
--- a/src/module/todo/mod.rs
+++ b/src/module/todo/mod.rs
@@ -1,25 +1,36 @@
 use runtime::Runtime;
 use module::Module;
+use module::ModuleResult;
 use std::path::Path;
-use std::error::Error;
+use std::result::Result;
 
 pub struct TodoModule {
     path: Option<String>,
 }
 
+const CALLNAMES : &'static [&'static str] = &[ "todo" ];
+
 impl Module for TodoModule {
 
-    fn new(&rt : Runtime) -> TodoModule {
+    fn new(rt : &Runtime) -> TodoModule {
         TodoModule {
             path: None
         }
     }
 
-    fn name(&self) -> String {
-        "Todo".to_string()
+    fn callnames() -> &'static [&'static str] {
+        CALLNAMES
     }
 
-    fn execute(&self, rt : &Runtime) -> Option<Error> {
-        ( )
+    fn name(&self) -> &'static str{
+        "Todo"
+    }
+
+    fn execute(&self, rt : &Runtime) -> ModuleResult {
+        Ok(())
+    }
+
+    fn shutdown(&self, rt : &Runtime) -> ModuleResult {
+        Ok(())
     }
 }