It might be required for you to import the package if you encounter any issues (like casting an Array), so better be safe than sorry and add the import at the very top of the file.

ZenScript
 Copy
import crafttweaker.api.loot.LootContext;

Name	Type	Has Getter	Has Setter	Description
Name blockEntity	Type BlockEntity	Has Getter true	Has Setter false	Description No Description Provided
Name blockState	Type BlockState	Has Getter true	Has Setter false	Description No Description Provided
Name damageSource	Type DamageSource	Has Getter true	Has Setter false	Description No Description Provided
Name directKillerEntity	Type Entity	Has Getter true	Has Setter false	Description No Description Provided
Name explosionRadius	Type float	Has Getter true	Has Setter false	Description No Description Provided
Name killerEntity	Type Entity	Has Getter true	Has Setter false	Description No Description Provided
Name lastDamagePlayer	Type Player	Has Getter true	Has Setter false	Description No Description Provided
Name level	Type ServerLevel	Has Getter true	Has Setter false	Description No Description Provided
Name luck	Type float	Has Getter true	Has Setter false	Description No Description Provided
Name origin	Type Vec3	Has Getter true	Has Setter false	Description No Description Provided
Name random	Type Random	Has Getter true	Has Setter false	Description No Description Provided
Name thisEntity	Type Entity	Has Getter true	Has Setter false	Description No Description Provided
Name tool	Type IItemStack	Has Getter true	Has Setter false	Description No Description Provided