# Uses of Interface
org.bukkit.block.data.Powerable

Packages that use Powerable
Package
Description
org.bukkit.block.data.type
Specific BlockData classes relevant to only a given block or set of blocks.

## Uses of Powerable in org.bukkit.block.data.type

Subinterfaces of Powerable in org.bukkit.block.data.type
Modifier and Type
Interface
Description
`interface`
`Bell`
'attachment' denotes how the bell is attached to its block.
`interface`
`Comparator`
'mode' indicates what mode this comparator will operate in.
`interface`
`Door`
'hinge' indicates which hinge this door is attached to and will rotate around when opened.
`interface`
`Gate`
'in_wall" indicates if the fence gate is attached to a wall, and if true the texture is lowered by a small amount to blend in better.
`interface`
`Lectern`
'has_book' is a quick flag to check whether this lectern has a book inside it.
`interface`
`LightningRod`
`interface`
`NoteBlock`
'instrument' is the type of sound made when this note block is activated.
`interface`
`Observer`
`interface`
`RedstoneRail`
A type of minecart rail which interacts with redstone in one way or another.
`interface`
`Repeater`
'delay' is the propagation delay of a repeater, i.e.
`interface`
`Switch`
`interface`
`TrapDoor`
`interface`
`Tripwire`
'disarmed' denotes that the tripwire was broken with shears and will not subsequently produce a current when destroyed.
`interface`
`TripwireHook`