The event is not cancelable.

The event does not have a result.

Importing the class is recommended for events, simply add this line to the top of your script file.

ZenScript
 Copy
import crafttweaker.forge.api.event.entity.living.ShieldBlockEvent;

ZenScript
 Copy
events.register<crafttweaker.forge.api.event.entity.living.ShieldBlockEvent>(event => {
    println("ShieldBlockEvent ran!");
});

ShieldBlockEvent extends LivingEvent. That means all methods available in LivingEvent are also available in ShieldBlockEvent

Name	Type	Has Getter	Has Setter
Name blockedDamage	Type float	Has Getter true	Has Setter true
Name damageSource	Type DamageSource	Has Getter true	Has Setter false
Name originalBlockedDamage	Type float	Has Getter true	Has Setter false
Name shieldTakesDamage	Type boolean	Has Getter true	Has Setter true