From 0ec6ca8774755d72457f70002ce1b826b40b5743 Mon Sep 17 00:00:00 2001
From: khy1226 <32892100+khy1226@users.noreply.github.com>
Date: Fri, 21 Aug 2026 13:47:12 +0900
Subject: [PATCH] Add note about reserved tags in Multi Alert

---
 hugo/content/en/monitors/notify/variables.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/hugo/content/en/monitors/notify/variables.md b/hugo/content/en/monitors/notify/variables.md
index 7e49321aba8..bfc1598e9b1 100644
--- a/hugo/content/en/monitors/notify/variables.md
+++ b/hugo/content/en/monitors/notify/variables.md
@@ -267,6 +267,8 @@ Configure multi alert variables in [multi alert monitors][1] based on the dimens
 
 **Note**: When you use the `group_by` field in aggregation, additional tags and alerts from the monitor may be inherited automatically. This means that any alerts or configurations set on the monitored endpoint could be applied to each group resulting from the aggregation.
 
+**Note**: [Reserved tag keys](https://docs.datadoghq.com/getting_started/tagging/) will exist independently regardless of the group-by dimension
+
 {{< tabs >}}
 {{% tab "Group by tag" %}}