Create a new field\object into ITSM Universe at the the location -
Change Mangement > Change Approvals > Support Group
Use the object defintion as "CHG_CHANGEAPDETAILSIGNATURE.Support_Group_Name2" OR "CHG_CHANGEAPDETAILSIGNATURE.Support_Group_Name"
See if it helps.
This looks excellent, Thanks! I will give it a try as soon as I can find the Universe Designer.