The event is not cancelable.

The event does not have a result.

Importing the class is recommended for events, simply add this line to the top of your script file.

ZenScript
 Copy
import crafttweaker.neoforge.api.event.advancement.AdvancementProgressEvent;

ZenScript
 Copy
events.register<crafttweaker.neoforge.api.event.advancement.AdvancementProgressEvent>(event => {
    println("AdvancementProgressEvent ran!");
});

AdvancementProgressEvent extends AdvancementEvent. That means all methods available in AdvancementEvent are also available in AdvancementProgressEvent

Name	Type	Has Getter	Has Setter
Name advancementProgress	Type AdvancementProgress	Has Getter true	Has Setter false
Name criterionName	Type string	Has Getter true	Has Setter false
Name progressType	Type AdvancementProgressEventType	Has Getter true	Has Setter false