adding custom $scriptProperties without hacking any core file

Hey,

Does anyone here know if there is any way to add a custom snippet parameter ($scriptProperties) to the Login snippet for Revolution - without hacking a core file?

E.g

What i am trying to do is to pass a external session key to be used to logout my external user at the same time as my modx user, (I'd call it "Single-Sign-Out")


I need your advices, ideas.. just simply anything you can come up with related to my issue.

Thanks!

Ok,

I just remembered that there is a function for Login:

Can't you accomplish this using a pre or post hook?