BetaProtectedconstructorBetaReadonly BetablockBlock impacted by this event.
BetacancelIf this is set to true within an event handler, the piston activation is canceled.
Readonly BetadimensionDimension that contains the block that is the subject of this event.
Readonly BetaisTrue if the piston is the process of expanding.
Readonly BetapistonContains additional properties and details of the piston.
Contains information related to changes before a piston expands or retracts.