diff --git a/durandal/durandal.d.ts b/durandal/durandal.d.ts
index e7cf11ee4..0a07086f7 100644
--- a/durandal/durandal.d.ts
+++ b/durandal/durandal.d.ts
@@ -376,6 +376,10 @@ declare module "durandal/plugins/router" {
       * called after an a new module is composed
       */
     export var afterCompose: () => void;
+    /**
+      * Returns the activatable instance from the supplied module.
+      */
+    export var getActivatableInstance: (routeInfo: routeInfo, params: any, module: any) => any;
     /**
       * Causes the router to move backwards in page history.
       */
@@ -449,4 +453,4 @@ interface IEventSubscription
       * This function removing current subscription from event handlers
       */
      off(): void;
- }
\ No newline at end of file
+ }