diff --git a/aio/content/examples/router/src/app/compose-message.component.ts b/aio/content/examples/router/src/app/compose-message.component.ts
index 6e83e3502b..f2d95de745 100644
--- a/aio/content/examples/router/src/app/compose-message.component.ts
+++ b/aio/content/examples/router/src/app/compose-message.component.ts
@@ -15,6 +15,7 @@ export class ComposeMessageComponent {
   @HostBinding('style.position')  position = 'absolute';
 
   details: string;
+  message: string;
   sending = false;
 
   constructor(private router: Router) {}