Modifying template row hierarchy
When you want to create hierarchical listings of objects in the product database, you can create a row hierarchy that resembles the hierarchy of those objects. This means that if a row describes the main object, the row(s) below it should describe a part of the main object.
To modify the row hierarchy:
Note that you can see the changes in the hierarchy levels only in the Content Browser. There is no limit to the number of hierarchy levels to use, but hierarchies deeper than three levels affect the performance during output and may be difficult to work with.
See also