You can refer the below link for mapping information
http://www.ptc.com/cs/help/windchill_hc/wc102_hc/index.jspx?id=TypeMgrAttrAliasMap&action=show
In my case the mapping entry is 'primaryBusinessObject^wt.change2.WTChangeOrder2~number'
You can refer the below link for mapping information
http://www.ptc.com/cs/help/windchill_hc/wc102_hc/index.jspx?id=TypeMgrAttrAliasMap&action=show
In my case the mapping entry is 'primaryBusinessObject^wt.change2.WTChangeOrder2~number'