diff --git a/src/src/main/java/com/my/graphiteDigesterBg/diframe/model/DiMdbNotification.java b/src/src/main/java/com/my/graphiteDigesterBg/diframe/model/DiMdbNotification.java
index d579c78..34b2961 100644
--- a/src/src/main/java/com/my/graphiteDigesterBg/diframe/model/DiMdbNotification.java
+++ b/src/src/main/java/com/my/graphiteDigesterBg/diframe/model/DiMdbNotification.java
@@ -46,4 +46,13 @@ public class DiMdbNotification extends DiActiveRecord {
         notification.status = "new";
         notification.save();
     }
+
+    // notify warning
+    public static void warning( String message ) {
+        var notification = new DiMdbNotification();
+        notification.type = "warning";
+        notification.data = message;
+        notification.status = "new";
+        notification.save();
+    }
 }