1 files changed, 1 insertions, 0 deletions
diff --git a/structs.go b/structs.go
index c4792b7..6b7516d 100644
--- a/structs.go
+++ b/structs.go
@@ -17,6 +17,7 @@ import (
 var treeRoot *Node
 
 type TreeInfo struct {
+	ok           bool                           // indicates the plugin actually initialized
 	PluginName   string                         // used to identify the plugin
 	config       *ToolkitConfigs                // protobuf of plugin settings
 	callback     chan widget.Action             // mouse clicks or keyboard events back to the program