This event is fired whenever a throwable projectile impacts an entity but before damage, etc, is calculated. It is cancelable, and if canceled, the impact will not be processed.

It might be required to import the class to avoid errors.
import crafttweaker.event.ProjectileImpactThrowableEvent;

ProjectileImpactThrowable Events implement the following interfaces and are able to call all of their methods/getters/setters as well:

• IProjectileEvent
• IEventCancelable

The following information can be retrieved from the event:

ZenGetter	ZenSetter	Type
ZenGetter fireball	ZenSetter ​	Type IEntity
ZenGetter shooter	ZenSetter ​	Type IEntityLivingBase