Say you wanted 50 named bricks to change color when you press a button. On that button you would need 50 lines of events, one for each brick. Lines 0-49 would go something like
OnActivate < Brick0 < setColor < Red
What Uxie wants is be able to write that once on line 0 and copy paste 49 more exactly like it (he would still have to manually change the target brick)
You can do that with one add-on that has the append feature.
I've used eventsguiplus or events saver, not sure which one or both but...
One of them allows you to append saved events.
So make the 1 event you need copied over and over on a brick, save it, I usually tag on the word "append" to help keep track of what the event does, then go to the brick you're working with, check append, load up the event a bazillion times.
I actually combined the Events GUI Plus and Events Saver add-ons waaay back.
With my creative naming skills I call it EventsGUIPluSaver:
http://mirror.dataorb.net/Client_EventsGpluS.zipIt's my own homebrew frankenstein of a script but it has worked for me without a hitch for years.