diff --git a/src/main/java/org/gcube/portlets/user/td/widgetcommonevent/client/type/ChangeTableRequestType.java b/src/main/java/org/gcube/portlets/user/td/widgetcommonevent/client/type/ChangeTableRequestType.java
index 36c65ec..bd403ed 100644
--- a/src/main/java/org/gcube/portlets/user/td/widgetcommonevent/client/type/ChangeTableRequestType.java
+++ b/src/main/java/org/gcube/portlets/user/td/widgetcommonevent/client/type/ChangeTableRequestType.java
@@ -10,5 +10,6 @@ package org.gcube.portlets.user.td.widgetcommonevent.client.type;
  *
  */
 public enum ChangeTableRequestType {
-	CHANGECOLUMNTYPE
+	CHANGECOLUMNTYPE,
+	DELETECOLUMN;
 }