combination node type

Summary:

How can a combination node type be used to represent more than one dimension as a combination (just like Account combination)

Content (please ensure you mask any confidential information):

lets say i have 5 segment of Chart of accounts in Fusion ERP and i am using EDMCS to manage them as 5 dimensions.

i now want to create a combination node type which would have me create a combination of these 5 dimension's node values and present that as a single node value, like Segment1:segment2:…..

while i am creating a combination node type and using convertors to bring all 5 segment , i am unable to do so.