     bottom: 40px;
            left: 60px;
            z-index: 1;
        }`);
        this.$widget.find("button").on("click", () =&gt; api.showMessage("Hello World!"));
        return this.$widget;
    }
}

module.exports = new MyWidget();</code></pre>
<p>Reload the application one last time. When you click the button, a "Hello
  World!" message should appear, confirming that your widget is fully functional.</p>