The name of the group to be referenced for a count/average/sum/minimum/maximum. If you want to group on a Parent and Child column, that can be specified within an XML setup. Only one parent and child can be specified.
Example: Status
Example:
<PCGColumns>
<PCGColumnName>
<ParentGroupName>Show</ParentGroupName>
<ChildGroupName>Status</ChildGroupName>
</PCGColumnName>
</PCGColumns>
The name of the column from the external data source that will be used as the child group and analyzed.
The name of the column from the external data source that will be used as a parent group. No analysis is completed against the parent, only the child.