Detonate 
To use this event use the following import:
groovy
import net.minecraftforge.event.world.ExplosionEvent.DetonateSub-Classes 
This event extends the following events and can use all their methods and fields: 
ExplosionEvent
Methods 
groovy
java.util.List getAffectedBlocks()groovy
java.util.List getAffectedEntities()