The PlayerCloseContainer Event is fired whenever a player closes a container.

You will need to cast the event in the function header as this class:
crafttweaker.event.PlayerCloseContainerEvent
You can, of course, also import the class before and use that name then.

PlayerCloseContainer Events implement the following interfaces and are able to call all of their methods/getters/setters as well:

• IPlayerEvent

The following information can be retrieved from the event:

ZenGetter	Return Type
ZenGetter container	Return Type IContainer