https://devzone.nordicsemi.com/f/nordic-q-a/51346/polling-theory-of-lpnHi all, I&#39;m working with LPN demo with SDK for Mesh 3.1.0 recently. I want to implement a function that a lpn device can receive a response message as soon as it sends out a request command. So, this lpn device needs to trigger polling actively in someen-USTelligent Community 13Fri, 23 Aug 2019 08:55:10 GMThttps://devzone.nordicsemi.com/thread/205806?ContentTypeID=1Fri, 23 Aug 2019 08:55:10 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6ac8cf1f-a4b2-4389-99d8-5d5a0c86fa4bjiurifei<p>I have found an api</p> <p>&nbsp;<pre class="ui-code" data-mode="text">uint32_t mesh_lpn_friend_poll(uint32_t delay_ms);</pre></p> <p>which could solve the question above!</p><div style="clear:both;"></div>