diff --git a/com/coralogixapis/alerts/v3/alert_def.proto b/com/coralogixapis/alerts/v3/alert_def.proto
index c5c83eb..45e2fc5 100644
--- a/com/coralogixapis/alerts/v3/alert_def.proto
+++ b/com/coralogixapis/alerts/v3/alert_def.proto
@@ -76,4 +76,5 @@ message AlertDefProperties {
   AlertDefIncidentSettings incidents_settings = 8;
   AlertDefNotificationGroup notification_group = 9;
   map<string,string> labels = 10;
-}
\ No newline at end of file
+  google.protobuf.BoolValue phantom_mode = 11;
+}