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;

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