diff --git a/src/main/java/org/gcube/portlets/user/td/gwtservice/shared/extract/ExtractCodelistSession.java b/src/main/java/org/gcube/portlets/user/td/gwtservice/shared/extract/ExtractCodelistSession.java
index 0105208..86b6f6d 100644
--- a/src/main/java/org/gcube/portlets/user/td/gwtservice/shared/extract/ExtractCodelistSession.java
+++ b/src/main/java/org/gcube/portlets/user/td/gwtservice/shared/extract/ExtractCodelistSession.java
@@ -19,21 +19,25 @@ import org.gcube.portlets.user.td.widgetcommonevent.shared.TRId;
 public class ExtractCodelistSession implements Serializable {
 
 	private static final long serialVersionUID = -2537172740573310646L;
-	
-	protected TRId trId;
-	protected TabResource tabResource;
-	protected ArrayList<ColumnData> sourceColumns;
-	protected ArrayList<ExtractCodelistTargetColumn> targetColumns;
+
+	private TRId trId;
+	private TabResource tabResource;
+	private ArrayList<ColumnData> sourceColumns;
+	private ArrayList<ExtractCodelistTargetColumn> targetColumns;
+	private boolean automaticallyAttach;
 
 	public ExtractCodelistSession() {
 	}
 
-	public ExtractCodelistSession(TRId trId, TabResource tabResource,ArrayList<ColumnData> sourceColumns,
-			ArrayList<ExtractCodelistTargetColumn> targetColumns) {
-		this.trId=trId;
-		this.tabResource= tabResource;
+	public ExtractCodelistSession(TRId trId, TabResource tabResource,
+			ArrayList<ColumnData> sourceColumns,
+			ArrayList<ExtractCodelistTargetColumn> targetColumns,
+			boolean automaticallyAttach) {
+		this.trId = trId;
+		this.tabResource = tabResource;
 		this.sourceColumns = sourceColumns;
 		this.targetColumns = targetColumns;
+		this.automaticallyAttach = automaticallyAttach;
 	}
 
 	public ArrayList<ColumnData> getSourceColumns() {
@@ -60,7 +64,7 @@ public class ExtractCodelistSession implements Serializable {
 	public void setTabResource(TabResource tabResource) {
 		this.tabResource = tabResource;
 	}
-	
+
 	public TRId getTrId() {
 		return trId;
 	}
@@ -68,16 +72,24 @@ public class ExtractCodelistSession implements Serializable {
 	public void setTrId(TRId trId) {
 		this.trId = trId;
 	}
+	
+	
+	public boolean isAutomaticallyAttach() {
+		return automaticallyAttach;
+	}
+
+	public void setAutomaticallyAttach(boolean automaticallyAttach) {
+		this.automaticallyAttach = automaticallyAttach;
+	}
 
 	@Override
 	public String toString() {
 		return "ExtractCodelistSession [trId=" + trId + ", tabResource="
 				+ tabResource + ", sourceColumns=" + sourceColumns
-				+ ", targetColumns=" + targetColumns + "]";
+				+ ", targetColumns=" + targetColumns + ", automaticallyAttach="
+				+ automaticallyAttach + "]";
 	}
 
 	
-    
 
-	
 }