diff --git a/docs/api/native-app-integration/notifications.md b/docs/api/native-app-integration/notifications.md
index dee76ef0..e380c4b1 100644
--- a/docs/api/native-app-integration/notifications.md
+++ b/docs/api/native-app-integration/notifications.md
@@ -32,7 +32,8 @@ Your server should accept a HTTP POST payload like this:
   "registration_info": {
     "app_id": "io.home-assistant.iOS",
     "app_version": "1.0.0",
-    "os_version": "12.2"
+    "os_version": "12.2",
+    "webhook_id": "webhook_id_from_registration"
   },
   "data": {
     "key": "value"
@@ -40,6 +41,10 @@ Your server should accept a HTTP POST payload like this:
 }
 ```
 
+:::info
+`webhook_id` will only be included from core-2021.11 or later.
+:::
+
 It should respond with a 201 status code assuming the notification was queued for delivery successfully.
 
 ### Errors