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 mods.zensummoning.SummoningAttempt;

이름	Type	Has Getter	Has Setter	Description
이름 message	Type string	Has Getter true	Has Setter true	Description The [unlocalized] message to be displayed to the player.
이름 pos	Type BlockPos	Has Getter true	Has Setter false	Description Position of the altar.
이름 success	Type boolean	Has Getter true	Has Setter true	Description Whether or not the summoning will proceed.
이름 summoner	Type Player	Has Getter true	Has Setter false	Description Gets the person who activated the summoning
이름 world	Type Level	Has Getter true	Has Setter false	Description Level that the summoning is occurring in.