PM Script Question

[cardin]

I have created a second type of Private Message and want to increment the referral points when that type of PM is sent. I am getting a little confused as to which template or script to modify with the addition of the code for incrementing the refererrid field. So my specific question is this - when a PM is sent, what is the last script to be executed (or which section of that script is the last to be executed) or what is the last template to be used. That, I think, is where I want to add the code, since I don't want to increment until the message is finally sent.

Thanks,

Paul Cardin