diff --git a/src/main/java/org/gcube/portlets/user/td/gwtservice/server/trservice/ExtractCodelistOperationMap.java b/src/main/java/org/gcube/portlets/user/td/gwtservice/server/trservice/ExtractCodelistOperationMap.java
index 26d5961..782b9db 100644
--- a/src/main/java/org/gcube/portlets/user/td/gwtservice/server/trservice/ExtractCodelistOperationMap.java
+++ b/src/main/java/org/gcube/portlets/user/td/gwtservice/server/trservice/ExtractCodelistOperationMap.java
@@ -2,13 +2,18 @@ package org.gcube.portlets.user.td.gwtservice.server.trservice;
 
 import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 
 import org.gcube.data.analysis.tabulardata.model.column.ColumnLocalId;
 import org.gcube.data.analysis.tabulardata.model.column.ColumnReference;
 import org.gcube.data.analysis.tabulardata.model.column.ColumnType;
 import org.gcube.data.analysis.tabulardata.model.datatype.value.TDText;
+import org.gcube.data.analysis.tabulardata.model.metadata.column.ColumnMetadata;
 import org.gcube.data.analysis.tabulardata.model.metadata.column.DataLocaleMetadata;
+import org.gcube.data.analysis.tabulardata.model.metadata.common.ImmutableLocalizedText;
+import org.gcube.data.analysis.tabulardata.model.metadata.common.LocalizedText;
+import org.gcube.data.analysis.tabulardata.model.metadata.common.NamesMetadata;
 import org.gcube.data.analysis.tabulardata.model.table.TableId;
 import org.gcube.portlets.user.td.gwtservice.shared.Constants;
 import org.gcube.portlets.user.td.gwtservice.shared.extract.ExtractCodelistSession;
@@ -65,15 +70,28 @@ public class ExtractCodelistOperationMap {
 				column_definition.put(
 						Constants.PARAMETER_EXTRACT_CODELIST_COLUMN_TYPE,
 						columnType);
-
+				
+				ArrayList<ColumnMetadata> metadata=new ArrayList<ColumnMetadata>();
+				
 				if (columnTypeCode == ColumnTypeCode.CODENAME) {
 					DataLocaleMetadata dataLocaleMetadata = new DataLocaleMetadata(
 							defNewColumn.getLocaleName());
-					column_definition.put(
-							Constants.PARAMETER_EXTRACT_CODELIST_METADATA,
-							dataLocaleMetadata);
+					metadata.add(dataLocaleMetadata);
+				}
+				if(defNewColumn.getLabel()==null&&!defNewColumn.getLabel().isEmpty()){
+					String label=defNewColumn.getLabel();
+					List<LocalizedText> texts=new ArrayList<LocalizedText>();
+					texts.add(new ImmutableLocalizedText(label));
+					NamesMetadata nameMetadata=new NamesMetadata(texts);
+					metadata.add(nameMetadata);
 				}
 
+				if(metadata.size()>0){
+				column_definition.put(
+						Constants.PARAMETER_EXTRACT_CODELIST_METADATA,
+						metadata);
+				}
+				
 				TDText defaultValue = new TDText(defNewColumn.getDefaultValue());
 				column_definition.put(
 						Constants.PARAMETER_EXTRACT_CODELIST_DEFAULT,