The EntityLivingDeath event is fired whenever an Entity is about to die.
It can be canceled to let the entity live.

You will need to cast the event in the function header as this class:
crafttweaker.event.EntityLivingDeathEvent
You can, of course, also import the class before and use that name then.

EntityLivingDeathEvent implements the following interfaces and are able to call all of their methods/getters/setters as well:

• ILivingEvent
• IEventCancelable

The following information can be retrieved/set during the event:

ZenGetter	ZenSetter	Type
ZenGetter damageSource	ZenSetter ​	Type IDamageSource

The following information can be retrieved/set during the event:

ZenGetter	ZenSetter	Type
ZenGetter entityLivingBase	ZenSetter ​	Type IEntityLivingBase
ZenGetter canceled	ZenSetter canceled	Type bool

ZenMethods

• event.cancel(); Method, returns void (nothing). Can cancel the event and stop something from happening