diff --git a/.classpath b/.classpath
index 97fbfe1..e5b8044 100644
--- a/.classpath
+++ b/.classpath
@@ -1,12 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="src" output="target/tabular-data-widgetx-1.0.1-SNAPSHOT/WEB-INF/classes" path="src/main/java">
+	<classpathentry kind="src" output="target/tabular-data-widgetx-1.0.2-SNAPSHOT/WEB-INF/classes" path="src/main/java">
 		<attributes>
 			<attribute name="optional" value="true"/>
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>
 	</classpathentry>
-	<classpathentry excluding="**" kind="src" output="target/tabular-data-widgetx-1.0.1-SNAPSHOT/WEB-INF/classes" path="src/main/resources">
+	<classpathentry excluding="**" kind="src" output="target/tabular-data-widgetx-1.0.2-SNAPSHOT/WEB-INF/classes" path="src/main/resources">
 		<attributes>
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>
@@ -28,5 +28,5 @@
 			<attribute name="org.eclipse.jst.component.nondependency" value=""/>
 		</attributes>
 	</classpathentry>
-	<classpathentry kind="output" path="target/tabular-data-widgetx-1.0.1-SNAPSHOT/WEB-INF/classes"/>
+	<classpathentry kind="output" path="target/tabular-data-widgetx-1.0.2-SNAPSHOT/WEB-INF/classes"/>
 </classpath>
diff --git a/src/main/java/org/gcube/portlets/user/tdwx/shared/model/ColumnDefinition.java b/src/main/java/org/gcube/portlets/user/tdwx/shared/model/ColumnDefinition.java
index ec21aaa..5459f16 100644
--- a/src/main/java/org/gcube/portlets/user/tdwx/shared/model/ColumnDefinition.java
+++ b/src/main/java/org/gcube/portlets/user/tdwx/shared/model/ColumnDefinition.java
@@ -18,15 +18,12 @@ public class ColumnDefinition implements Serializable {
 	
 	protected String id; //Column Name on service
 	protected String columnLocalId; //ColumnLocalId on service
+	protected boolean viewColumn;
+	protected String sourceTableDimensionColumnId;
+	protected String targetTableColumnId;
+	protected long targetTableId;
+
 	protected String label; //Label
-	public String getColumnLocalId() {
-		return columnLocalId;
-	}
-
-	public void setColumnLocalId(String columnLocalId) {
-		this.columnLocalId = columnLocalId;
-	}
-
 	protected ValueType valueType;
 	protected int width;
 	protected boolean editable;
@@ -36,7 +33,7 @@ public class ColumnDefinition implements Serializable {
 	protected String tooltipMessage;
 	protected String columnTypeName;
 	protected String columnDataType;
-
+	
 	protected ColumnKey key;
 	
 	public ColumnDefinition(){}
@@ -209,17 +206,69 @@ public class ColumnDefinition implements Serializable {
 	public void setColumnDataType(String columnDataType) {
 		this.columnDataType = columnDataType;
 	}
+	
+	
+	public String getColumnLocalId() {
+		return columnLocalId;
+	}
+
+	public void setColumnLocalId(String columnLocalId) {
+		this.columnLocalId = columnLocalId;
+	}
+
+	public boolean isViewColumn() {
+		return viewColumn;
+	}
+
+	public void setViewColumn(boolean viewColumn) {
+		this.viewColumn = viewColumn;
+	}
+
+	public String getSourceTableDimensionColumnId() {
+		return sourceTableDimensionColumnId;
+	}
+
+	public void setSourceTableDimensionColumnId(String sourceTableDimensionColumnId) {
+		this.sourceTableDimensionColumnId = sourceTableDimensionColumnId;
+	}
+
+	public String getTargetTableColumnId() {
+		return targetTableColumnId;
+	}
+
+	public void setTargetTableColumnId(String targetTableColumnId) {
+		this.targetTableColumnId = targetTableColumnId;
+	}
+
+	public long getTargetTableId() {
+		return targetTableId;
+	}
+
+	public void setTargetTableId(long targetTableId) {
+		this.targetTableId = targetTableId;
+	}
+
+	public void setLabel(String label) {
+		this.label = label;
+	}
 
 	@Override
 	public String toString() {
-		return "ColumnDefinition [id=" + id + ", label=" + label
-				+ ", columnLocalId=" + columnLocalId + ", valueType="
-				+ valueType + ", width=" + width + ", editable=" + editable
-				+ ", visible=" + visible + ", type=" + type + ", position="
-				+ position + ", tooltipMessage=" + tooltipMessage
-				+ ", columnTypeName=" + columnTypeName + ", columnDataType="
-				+ columnDataType + ", key=" + key + "]";
+		return "ColumnDefinition [id=" + id + ", columnLocalId="
+				+ columnLocalId + ", viewColumn=" + viewColumn
+				+ ", sourceTableDimensionColumnId="
+				+ sourceTableDimensionColumnId + ", targetTableColumnId="
+				+ targetTableColumnId + ", targetTableId=" + targetTableId
+				+ ", label=" + label + ", valueType=" + valueType + ", width="
+				+ width + ", editable=" + editable + ", visible=" + visible
+				+ ", type=" + type + ", position=" + position
+				+ ", tooltipMessage=" + tooltipMessage + ", columnTypeName="
+				+ columnTypeName + ", columnDataType=" + columnDataType
+				+ ", key=" + key + "]";
 	}
+	
+	
+