Enemy DoT

How would i go about enemy DoT (Damage over Time) from let's say a sword or so, it would inflict bleeding on the enemy or poison the enemy every (amount of time between poisons). Been messing around with things and can't figure out how i would do it, any help?

The guy with the spongebob pic knows the answer

You can look at PoisonEnemy function in Player.UseItem.cs, it will give you a sense of DoT. You'll then need to add your new conditional effect, give your weapon the effect, and finally look into Enemy.cs function HitByProjectile.