diff --git a/src/main/java/org/gcube/portlets/user/td/widgetcommonevent/shared/tr/TabResourceType.java b/src/main/java/org/gcube/portlets/user/td/widgetcommonevent/shared/tr/TabResourceType.java
new file mode 100644
index 0000000..069e7ce
--- /dev/null
+++ b/src/main/java/org/gcube/portlets/user/td/widgetcommonevent/shared/tr/TabResourceType.java
@@ -0,0 +1,26 @@
+package org.gcube.portlets.user.td.widgetcommonevent.shared.tr;
+
+/**
+ * 
+ * @author giancarlo
+ * email: <a href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a> 
+ *
+ */
+public enum TabResourceType {
+	FLOW("Flow"), 
+	STANDARD("Standard");
+	
+	/**
+	 * @param text
+	 */
+	private TabResourceType(final String id) {
+		this.id = id;
+	}
+
+	private final String id;
+	
+	@Override
+	public String toString() {
+		return id;
+	}
+}