diff --git a/src/main/java/org/gcube/portlets/user/td/widgetcommonevent/shared/tr/column/RelationshipData.java b/src/main/java/org/gcube/portlets/user/td/widgetcommonevent/shared/tr/column/RelationshipData.java
new file mode 100644
index 0000000..e8fa7fa
--- /dev/null
+++ b/src/main/java/org/gcube/portlets/user/td/widgetcommonevent/shared/tr/column/RelationshipData.java
@@ -0,0 +1,52 @@
+package org.gcube.portlets.user.td.widgetcommonevent.shared.tr.column;
+
+import java.io.Serializable;
+
+/**
+ * Implements the realtionship for Dimension and TimeDimension columns
+ * 
+ * @author "Giancarlo Panichi"
+ * 
+ */
+public class RelationshipData implements Serializable {
+
+	private static final long serialVersionUID = 897893891284145975L;
+
+	
+	Long targetTableId;
+	String targetColumnId;
+	
+	public RelationshipData() {
+
+	}
+
+	public RelationshipData(Long targetTableId, String targetColumnId) {
+		this.targetColumnId=targetColumnId;
+		this.targetTableId=targetTableId;
+	}
+
+	public String getTargetColumnId() {
+		return targetColumnId;
+	}
+
+	public void setTargetColumnId(String targetColumnId) {
+		this.targetColumnId = targetColumnId;
+	}
+
+	public Long getTargetTableId() {
+		return targetTableId;
+	}
+
+	public void setTargetTableId(Long targetTableId) {
+		this.targetTableId = targetTableId;
+	}
+
+	@Override
+	public String toString() {
+		return "RelationshipData [targetTableId=" + targetTableId
+				+ ", targetColumnId=" + targetColumnId + "]";
+	}
+
+	
+
+}