I doubt that You will get anything from IBM on the issue!
search IBM redbooks for hints, for example
http://www.redbooks.ibm.com/abstracts/S ... .html?Open( appendix B is dedicated to carla )
most probably the explosion ( top bottom reporting ) is a predefined report
the implosion ( bottom up ) you will have to write Your own
as an alternative there are quite a bit of snippets for cross referencing the RACF database
google for RACF CROSS REFERENCE
usually the normal reply to questions like the one You asked
how to use <a tool> to do something just deserves the proper answer ... RTFM
if You have chosen a tool it means that You had the competence to evaluate all the alternative
if You do not know how to do it, maybe the tool is the wrong one or You do not have the skills
![Very Happy :D](https://www.ibmmainframeforum.com/images/smilies/icon_e_biggrin.gif)
to get better answer You should just describe the requirement
and let people advice on what they feel is the best approach