diff --git a/bricks/tree.js b/bricks/tree.js
index ab7d2ec..9235325 100644
--- a/bricks/tree.js
+++ b/bricks/tree.js
@@ -301,6 +301,11 @@ bricks.Tree = class extends bricks.VScrollPanel {
 				} else if (opts.selected_data){
 					d = this.selected_node.user_data
 				}
+				d.meta_data = {
+					referer: this.id,
+					title: opts.label,
+					icon: opts.icon
+				}
 				this.dispatch(opts.name, d);
 				break;
 		}
diff --git a/bricks/widget.js b/bricks/widget.js
index f1eeaa1..01a9518 100644
--- a/bricks/widget.js
+++ b/bricks/widget.js
@@ -35,6 +35,7 @@ bricks.JsWidget = class {
 		this._container = false;
 		this.parent = null;
 		this.sizable_elements = [];
+		this.set_id(bricks.uuid());
 		if (options.css){
 			this.set_css(options.css);
 		}