How to create an evenement

I would like to know how to create my own sdl_evenemtn and how to use it…
I would like to create a evenment that is : when someone asks me to send
something on the net i do it… is it possible, how can i do it and how can
i call it ?

if my question is not clear i could ask it in french…
MSN Photos est le moyen le plus simple de partager, modifier et imprimer vos
photos pr?f?r?es.