Think I am missing something obvious. I have an attribute in my parent element named MyPrefix setup as a String and a fixed value of Group.Site.Plant. In my child element I want to reference this attibute so I create a string attribute with the formula A=..\|MyPrefix;[A]. This gives me the subsequent error "Data was not available for attribute 'MyPrefix': Group.Site.Plant" ??? How do I get my child attribute to get the string value of the parent attribute?