diff --git a/samples/snippets/webhook.py b/samples/snippets/webhook.py
index 0d85280e..143f11ee 100644
--- a/samples/snippets/webhook.py
+++ b/samples/snippets/webhook.py
@@ -15,6 +15,8 @@
 
 # [START dialogflow_cx_webhook]
 
+# TODO(developer): change entry point to handle_webhook in cloud function
+
 
 def handle_webhook(request):