Perfect trick, thanks a lot!
Coming in late here but THANK YOU!!! This is such a simple solution that has evaded me for years!
this is a really good trick to get all SessionID's of an assembly quickly and at a glance.
Thank you, it saves a lot of clicks and time.
I just learned this:
Tools > Relations > Show > Session ID
Pick the model and Creo reports the session ID in the messages.
Also, you can add the session ID column to the model tree as of Creo 9.