diff --git a/dialogflow/snippets/src/main/dialogflow/Example.java b/dialogflow/snippets/src/main/dialogflow/Example.java
index 2e14911ec02..24f5aaeba19 100644
--- a/dialogflow/snippets/src/main/dialogflow/Example.java
+++ b/dialogflow/snippets/src/main/dialogflow/Example.java
@@ -18,6 +18,11 @@
 
 // [START dialogflow_webhook]
 
+// TODO: add GSON dependency to Pom file
+// (https://mvnrepository.com/artifact/com.google.code.gson/gson/2.8.5)
+// TODO: Uncomment the line bellow before running cloud function
+// package com.example;
+
 import com.google.cloud.functions.HttpFunction;
 import com.google.cloud.functions.HttpRequest;
 import com.google.cloud.functions.HttpResponse;