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.world.data.ServerLevelData;

ServerLevelData implements the following interfaces. That means all methods defined in these interfaces are also available in ServerLevelData

• WritableLevelData

Name	Type	Has Getter	Has Setter
Name allowCommands	Type boolean	Has Getter true	Has Setter false
Name clearWeatherTime	Type int	Has Getter true	Has Setter true
Name dayTime	Type ServerLevelData	Has Getter false	Has Setter true
Name gameTime	Type ServerLevelData	Has Getter false	Has Setter true
Name gameType	Type GameType	Has Getter true	Has Setter true
Name initialized	Type boolean	Has Getter true	Has Setter false
Name levelName	Type string	Has Getter true	Has Setter false
Name rainTime	Type int	Has Getter true	Has Setter true
Name thunderTime	Type ServerLevelData	Has Getter true	Has Setter true
Name thundering	Type ServerLevelData	Has Getter false	Has Setter true
Name wanderingTraderSpawnChance	Type int	Has Getter true	Has Setter true
Name wanderingTraderSpawnDelay	Type int	Has Getter true	Has Setter true
Name worldBorder	Type ServerLevelData	Has Getter true	Has Setter true