code: function Alert() {
          this.mode = LiteGraph.ON_EVENT;
          this.addProperty("msg", "");
          this.addInput("", LiteGraph.EVENT);
          var that = this;
          this.widget = this.addWidget("text", "Text", "", function(v) {
              that.properties.msg = v;
          });
          this.widgets_up = true;
          this.size = [200, 30];
      }
docs: Show value inside the debug console