Well, the Attack Cooldown can be found in the OE, under Combat - Attack1/2 - Cooldown.
But, here is some reading for you:
http://world-editor-tutorials.thehelper.net/cat_usersubmit.php?view=44516
DPS calculations can be found in the point 2.2, and attack speed is 2.3
You cannot modify (or retrieve a value for) properties