https://devzone.nordicsemi.com/f/nordic-q-a/73518/getting-notification-on-same-characteristic-led-handlerHello , NRF52840 sdk 15.2 In my application using ble central example in nrf52840 , i am able to write data in led characteristics and getting notification on HVX using Button cccd handle and now i m trying to get notification data on led handleen-USTelligent Community 13Tue, 06 Apr 2021 15:17:38 GMThttps://devzone.nordicsemi.com/thread/303255?ContentTypeID=1Tue, 06 Apr 2021 15:17:38 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0d0983f0-f303-43dc-a3f1-13a010bece3cHung Bui<p>Hi Sowmiya,&nbsp;</p> <p>Please show what exactly you modified to enable notification on the LED characteristic. We can&#39;t look into you full code to find what you modified.&nbsp;</p> <p>As far as I know you just need to enable notification when you declare the characteristic in&nbsp;ble_lbs_init() , so if you have&nbsp;&nbsp; &nbsp;add_char_params.char_props.notify = 1; in the characteristic you add, it will be able to send notification.&nbsp;</p> <p>After that when you call the sd_ble_gatts_hvx() function, you need to set the handle to the handle of the LED characteristic instead of the button characteristic.&nbsp;</p><div style="clear:both;"></div>