diff --git a/.gwt/.gwt-log b/.gwt/.gwt-log
index c46d7b8..7031228 100644
--- a/.gwt/.gwt-log
+++ b/.gwt/.gwt-log
@@ -4698,3 +4698,35 @@ Compiling...
    Compilation completed in 0.00 seconds
 Removing invalidated units
 Finding entry point classes
+Public resources found in...
+Translatable source found in...
+Found 0 cached/archived units.  Used 0 / 2719 units from cache.
+Compiling...
+   10% complete (ETR: 28 seconds)
+   10% complete (ETR: 28 seconds)
+   20% complete (ETR: 23 seconds)
+   30% complete (ETR: 19 seconds)
+   40% complete (ETR: 14 seconds)
+   50% complete (ETR: 11 seconds)
+   60% complete (ETR: 8 seconds)
+   70% complete (ETR: 5 seconds)
+   80% complete (ETR: 3 seconds)
+   90% complete (ETR: 1 seconds)
+   100% complete (ETR: 0 seconds)
+   Compilation completed in 22.96 seconds
+Removing invalidated units
+Finding entry point classes
+Public resources found in...
+Translatable source found in...
+Found 2719 cached/archived units.  Used 2719 / 2719 units from cache.
+Compiling...
+   Compilation completed in 0.00 seconds
+Removing invalidated units
+Finding entry point classes
+Public resources found in...
+Translatable source found in...
+Found 2719 cached/archived units.  Used 2719 / 2719 units from cache.
+Compiling...
+   Compilation completed in 0.01 seconds
+Removing invalidated units
+Finding entry point classes
diff --git a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/mapping/ColumnMappingDialog.java b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/mapping/ColumnMappingDialog.java
index 05944b2..25c09bc 100644
--- a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/mapping/ColumnMappingDialog.java
+++ b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/mapping/ColumnMappingDialog.java
@@ -54,6 +54,9 @@ public class ColumnMappingDialog extends Window {
 		add(columnMappingPanel);
 	}
 	
+	/**
+	 * 
+	 */
 	protected void initWindow() {
 		setWidth(WIDTH);
 		setHeight(HEIGHT);
@@ -83,11 +86,26 @@ public class ColumnMappingDialog extends Window {
 
 	}
 
-	protected void close() {
+	/**
+	 * 
+	 */
+	public void close() {
+		fireAbortedColumnMapping();
 		hide();
 
 	}
 	
+	/**
+	 * 
+	 * @param columnMappingList
+	 */
+	public void saveMapping(ColumnMappingList columnMappingList) {
+		fireSelectedColumnMapping(columnMappingList);
+		hide();
+
+	}
+	
+	
 	/**
 	 * 
 	 * @param listener
@@ -104,18 +122,30 @@ public class ColumnMappingDialog extends Window {
 		listeners.remove(listener);
 	}
 
-	public void fireSelectedColumnMapping(ColumnMappingList columnMappingData) {
+	/**
+	 * 
+	 * @param columnMappingList
+	 */
+	public void fireSelectedColumnMapping(ColumnMappingList columnMappingList) {
 		for (ColumnMappingListener listener : listeners)
-			listener.selectedColumnMapping(columnMappingData);
+			listener.selectedColumnMapping(columnMappingList);
 		hide();
 	}
 
+	/**
+	 * 
+	 */
 	public void fireAbortedColumnMapping() {
 		for (ColumnMappingListener listener : listeners)
 			listener.abortedColumnMapping();
 		hide();
 	}
 
+	/**
+	 * 
+	 * @param reason
+	 * @param detail
+	 */
 	public void fireFailedColumnMapping(String reason, String detail) {
 		for (ColumnMappingListener listener : listeners)
 			listener.failedColumnMapping(reason, detail);
diff --git a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/mapping/ColumnMappingListener.java b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/mapping/ColumnMappingListener.java
index 530c493..11da016 100644
--- a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/mapping/ColumnMappingListener.java
+++ b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/mapping/ColumnMappingListener.java
@@ -14,7 +14,7 @@ public interface ColumnMappingListener {
 	/**
 	 * Called when created column mapping without errors
 	 */ 
-	public void selectedColumnMapping(ColumnMappingList columnMappingData);
+	public void selectedColumnMapping(ColumnMappingList columnMappingList);
 	
 	/**
 	 * Called when the column mapping operation is aborted by the user.
diff --git a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/mapping/ColumnMappingPanel.java b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/mapping/ColumnMappingPanel.java
index 27e2581..55ad836 100644
--- a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/mapping/ColumnMappingPanel.java
+++ b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/mapping/ColumnMappingPanel.java
@@ -7,6 +7,7 @@ import org.gcube.portlets.user.td.columnwidget.client.dimension.DimensionRowSele
 import org.gcube.portlets.user.td.columnwidget.client.dimension.DimensionRowSelectionListener;
 import org.gcube.portlets.user.td.columnwidget.client.dimension.DimensionRowsProperties;
 import org.gcube.portlets.user.td.columnwidget.client.resources.ResourceBundle;
+import org.gcube.portlets.user.td.columnwidget.client.utils.UtilsGXT3;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.ColumnData;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.DimensionRow;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.TabResource;
@@ -160,11 +161,43 @@ public class ColumnMappingPanel extends FramedPanel {
 	}
 
 	protected void save(){
+		int lenght=vert.getWidgetCount();
+		int i=0;
+		for(; i<lenght; i++){
+			HBoxLayoutContainer h=(HBoxLayoutContainer)vert.getWidget(i);
+			if(h!=null){
+				@SuppressWarnings("unchecked")
+				ComboBox<DimensionRow> comboSourceValue=(ComboBox<DimensionRow>) h.getItemByItemId(itemIdSourceValueArg);
+				DimensionRow sourceValue=comboSourceValue.getCurrentValue();
+				if(sourceValue!=null){
+					@SuppressWarnings("unchecked")
+					ComboBox<DimensionRow> comboTargetValue=(ComboBox<DimensionRow>) h.getItemByItemId(itemIdTargetValueArg);
+					DimensionRow targetValue=comboTargetValue.getCurrentValue();
+					if(targetValue!=null){
+						ColumnMappingData columnMappingData=new ColumnMappingData(sourceValue,targetValue);
+						mapping.add(columnMappingData);
+					}
+				}
+			} else {
+				
+			}
+		}
+		if(mapping.size()>0){
+			columnMappingList=new ColumnMappingList(mapping);
+			if(parent!=null){
+				parent.saveMapping(columnMappingList);
+			}
+		} else {
+			UtilsGXT3.info("Attention", "Creates a valid mapping");
+		}
 		
 	}
 	
 	protected void close(){
-		
+		if(parent!=null){
+			parent.close();
+		}
+		hide();
 	}
 	
 	protected void setColumnMappingData() {