PlayerInteract

The PlayerInteract Event is fired whenever a player interacts with a block.

Event Class

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

Event interface extensions

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

ZenGetters

The following information can be retrieved from the event:

ZenGetter Return Type
canceled boolean
usingItem boolean
usingBlock boolean
x int
y int
z int
player IPlayer
world IWorld
block IBlock
dimension int

ZenMethods