diff --git a/symfony/google-chat-notifier/5.3/manifest.json b/symfony/google-chat-notifier/5.3/manifest.json
new file mode 100644
index 00000000..3b0979c6
--- /dev/null
+++ b/symfony/google-chat-notifier/5.3/manifest.json
@@ -0,0 +1,6 @@
+{
+    "env": {
+        "#1": "See https://developers.google.com/hangouts/chat/how-tos/webhooks",
+        "#2": "GOOGLE_CHAT_DSN=googlechat://ACCESS_KEY:ACCESS_TOKEN@default/SPACE?thread_key=THREAD_KEY"
+    }
+}