diff --git a/src/main/java/org/gcube/portlets/widgets/ckandatapublisherwidget/client/CKanMetadataPublisher.java b/src/main/java/org/gcube/portlets/widgets/ckandatapublisherwidget/client/CKanMetadataPublisher.java
index 8d20694..55ee5bc 100644
--- a/src/main/java/org/gcube/portlets/widgets/ckandatapublisherwidget/client/CKanMetadataPublisher.java
+++ b/src/main/java/org/gcube/portlets/widgets/ckandatapublisherwidget/client/CKanMetadataPublisher.java
@@ -5,6 +5,7 @@ import java.util.List;
 
 import org.gcube.portlets.widgets.ckandatapublisherwidget.client.ui.CreateDatasetForm;
 import org.gcube.portlets.widgets.ckandatapublisherwidget.client.ui.MetaDataFieldSkeleton;
+import org.gcube.portlets.widgets.ckandatapublisherwidget.client.ui.TwinColumnSelection.TwinColumnSelectionMainPanel;
 import org.gcube.portlets.widgets.ckandatapublisherwidget.shared.DataType;
 import org.gcube.portlets.widgets.ckandatapublisherwidget.shared.MetadataFieldWrapper;
 
@@ -32,7 +33,15 @@ public class CKanMetadataPublisher implements EntryPoint {
 
 		// remove comment to the below line for testing the widget
 		//startExample();
-		//		testMetadata();
+		//testMetadata();
+		//testSelectionPanel();
+
+	}
+
+	@SuppressWarnings("unused")
+	private void testSelectionPanel() {
+
+		RootPanel.get("ckan-metadata-publisher-div").add(new TwinColumnSelectionMainPanel());
 
 	}