Type Alias OnSubscribeHook

OnSubscribeHook: (
packet: SubscribePacket,
) => SubackPacket | Promise<SubackPacket>

Hook called when client sends SUBSCRIBE.

Returns SUBACK with granted QoS or failure codes.

Type Declaration

- (packet: SubscribePacket): SubackPacket | Promise<SubackPacket>
- Parameters
  - packet: SubscribePacket
  Returns SubackPacket | Promise<SubackPacket>