Thanks,seems that works.But I still wonder if I can modify the scripts?I dare say you will need to modify the editor script for this. A way to achieve this without modifying UCC scripts, is to create your own script that registers to the OnDamageEvent, then use that to fire OnBleedEvent.
Thanks for your advice,I can understand it now!Modifying Opsive code is always the least favorable option. Any time you install an update, you have to manually apply the modifications you made. Either inherit from an existing script, or write your own one.