diff --git a/samples/component/SampleGUI.java b/samples/component/SampleGUI.java
index 80ad49d98f..5ad6dd4f8f 100644
--- a/samples/component/SampleGUI.java
+++ b/samples/component/SampleGUI.java
@@ -164,6 +164,17 @@ public static void main(final String[] args) throws IOException {
 
         buttonBuilder.setText("Button On A Layer");
         buttonBuilder.setPosition(0, 0);
+        buttonBuilder.setOnClickFunction(() -> {
+            final Layer tmp = new Layer(new Dimension(5, 5), new Point(0, 1));
+
+            final ButtonBuilder bb = new ButtonBuilder();
+            bb.setText("Click");
+            bb.setPosition(0, 0);
+            bb.setOnClickFunction(() -> System.out.println("Yee"));
+
+            tmp.addComponent(bb.build());
+            buttonLayer.addComponent(tmp);
+        });
         buttonLayer.addComponent(buttonBuilder.build());
 
         layer.addComponent(buttonLayer);