--- a/Notification.st	Thu Mar 28 20:02:40 2019 +0100
+++ b/Notification.st	Fri Mar 29 10:55:45 2019 +0100
@@ -368,6 +368,16 @@
 
 isNotification
     ^ true
+!
+
+suppressDialogIfUnhandled
+    "controls if a dialog is to be shown 
+     in the default action when unhandled, or not.
+     Can be redefined by subclasses"
+    
+    ^ false
+
+    "Created: / 29-03-2019 / 10:55:19 / Claus Gittinger"
 ! !
 
 !Notification class methodsFor:'documentation'!