Hello All, I created a RTC customization where I added a role-based value set. Then I added a custom attribute in Defect workitem which is based on that valueset. The custom attribute is of type Contributor.

Now the issue is this custom attribute is not available as available sort columns when I am creating a query on that custom attribute.

I think it is by design as the attribute is based only on one role and sorting doesn't yield any value. Is my understanding correct?

For details on what I meant above, you can refer to my article on RTC here: http://www.ibm.com/developerworks/rational/library/advanced-customizations-rational-team-concert-2/index.html