--- a/svghmi/widget_tooglebutton.ysl2	Fri Sep 09 09:44:03 2022 +0200
+++ b/svghmi/widget_tooglebutton.ysl2	Fri Sep 09 09:45:27 2022 +0200
@@ -22,7 +22,7 @@
         inactive_style = undefined;
 
         dispatch(value) {
-            this.actvity_state = Boolean(value);
+            this.activity_state = Boolean(value);
             //redraw toggle button
             this.request_animate();
         }