diff --git a/src/main/java/org/gcube/portlets/user/td/expressionwidget/server/ExpressionServiceImpl.java b/src/main/java/org/gcube/portlets/user/td/expressionwidget/server/ExpressionServiceImpl.java
index 9d2844e..9c2dd0c 100644
--- a/src/main/java/org/gcube/portlets/user/td/expressionwidget/server/ExpressionServiceImpl.java
+++ b/src/main/java/org/gcube/portlets/user/td/expressionwidget/server/ExpressionServiceImpl.java
@@ -483,20 +483,19 @@ public class ExpressionServiceImpl extends TDGWTServiceImpl implements
 						"Error saving rule, rule type is not RuleColumnType!");
 			} 
 			
-			//TODO
-			/*RuleId ruleId = null;
-			  service.saveRule(
+
+			RuleId ruleId = service.saveRule(
 					ruleDescriptionData.getName(),
 					ruleDescriptionData.getDescription(),
 					conditionExpression, ruleType);
 			
 			logger.debug("RuleId: " + ruleId);
-			*/
+		
 			String ruleIdent = null;
 			
-			/*if (ruleId != null) {
+			if (ruleId != null) {
 				ruleIdent = String.valueOf(ruleId.getValue());
-			}*/
+			}
 
 			return ruleIdent;