diff --git a/app-of-apps/guestbook.yaml b/app-of-apps/guestbook.yaml
new file mode 100644
index 0000000..b49215e
--- /dev/null
+++ b/app-of-apps/guestbook.yaml
@@ -0,0 +1,20 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: helm-guestbook
+  namespace: argo
+  finalizers:
+  - resources-finalizer.argocd.argoproj.io
+spec:
+  destination:
+    namespace: helm-guestbook
+    server: https://kubernetes.default.svc
+  project: default
+  source:
+    path: helm-guestbook
+    repoURL: https://github.com/argoproj/argocd-example-apps
+    targetRevision: HEAD
+  syncPolicy:
+    syncOptions:
+      - CreateNamespace=true
+