diff --git a/releasenotes/notes/add-is-resource-deleted-sg-client-f4a7a7a54ff024d7.yaml b/releasenotes/notes/add-is-resource-deleted-sg-client-f4a7a7a54ff024d7.yaml
new file mode 100644
index 0000000..e046326
--- /dev/null
+++ b/releasenotes/notes/add-is-resource-deleted-sg-client-f4a7a7a54ff024d7.yaml
@@ -0,0 +1,5 @@
+---
+features:
+  - |
+    Implement the `rest_client` method `is_resource_deleted` in the network
+    security group client.