PlayerBreakSpeed

The PlayerBreakSpeed Event is fired whenever a player tries to break a block.
It can be canceled to stop theplayer from being able to break that block.

Event Class

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

Event interface extensions

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

ZenGetter/Setter

ZenGetter ZenSetter Type
blockState IBlockState
block IBlock
originalSpeed float
newSpeed newSpeed float