Type Alias OnUnsubscribeHook

OnUnsubscribeHook: (
packet: UnsubscribePacket,
) => UnsubackPacket | Promise<UnsubackPacket>

Hook called when client sends UNSUBSCRIBE.

Returns UNSUBACK with success/failure codes.

Type Declaration

- (packet: UnsubscribePacket): UnsubackPacket | Promise<UnsubackPacket>
- Parameters
  - packet: UnsubscribePacket
  Returns UnsubackPacket | Promise<UnsubackPacket>