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.capability.ItemHandlerCaps;

Name	Type	Has Getter	Has Setter
Name BLOCK	Type BlockCapability<IItemHandler,Direction?>	Has Getter true	Has Setter false
Name ENTITY	Type EntityCapability<IItemHandler,Void>	Has Getter true	Has Setter false
Name ENTITY_AUTOMATION	Type EntityCapability<IItemHandler,Direction?>	Has Getter true	Has Setter false
Name ITEM	Type ItemCapability<IItemHandler,Void>	Has Getter true	Has Setter false