Beta
Contains information related to changes before a piston expands or retracts.
Readonly
Block impacted by this event.
If this is set to true within an event handler, the piston activation is canceled.
Dimension that contains the block that is the subject of this event.
True if the piston is the process of expanding.
Contains additional properties and details of the piston.
Contains information related to changes before a piston expands or retracts.