how to add Characteristic Notifies Events for BLE nrf52832 SDK132

[gaoruibao]

I use nrf52832 development kit,nRF5 SDK for homekit. Now I have read and write to UUID, want to realize how to handle the notification operation, and call what API?What are the examples for reference?

[run_ar]

Please direct your homekit related question to mypage. Thanks.