实验性
表示玩家放置方块前的事件信息。
Contains information regarding an event before a player places a block.
只读
此事件影响的方块。
Block impacted by this event.
若为 true，则表示取消放置方块事件。
true
If set to true, cancels the block place event.
包含此事件相关方块的所在维度。
Dimension that contains the block that is the subject of this event.
表示被放置的方块面。
The block face that was placed onto.
表示若事件未被取消，将要放置的方块组合。若设置为不同的方块组合，则将放置该组合。
The block permutation that will be placed if the event is not cancelled. If set to a different block permutation, that permutation will be placed instead.
可选
表示正在放置该方块的玩家。
The player that is placing this block.
表示玩家放置方块前的事件信息。
Contains information regarding an event before a player places a block.