--- a/svghmi/widgets_common.ysl2	Tue Mar 24 23:07:54 2020 +0100
+++ b/svghmi/widgets_common.ysl2	Wed Mar 25 13:36:04 2020 +0100
@@ -43,6 +43,7 @@
 template "widget", mode="widget_subscribe" {
     |     sub: subscribe,
     |     unsub: unsubscribe,
+    |     apply_cache: widget_apply_cache,
 }
 // page aren't subscribers
 template "widget[@type='Page']", mode="widget_subscribe";