https://devzone.nordicsemi.com/f/nordic-q-a/36444/can-t-send-dynamically-allocated-array-over-bluetooth-meshHello everyone! I&#39;m new to bluetooth mesh or even to C programming and i don&#39;t understand the following: I want to send messages over Bluetooth Mesh from an nRF52840 to another, to do this i used the light_switch example and modified the &quot;send_reliable_messageen-USTelligent Community 13Tue, 17 Jul 2018 12:42:19 GMThttps://devzone.nordicsemi.com/thread/140396?ContentTypeID=1Tue, 17 Jul 2018 12:42:19 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5115a144-d4a0-4596-82cd-056309697390Hung Bui<p>Hi ,&nbsp;</p> <p>&nbsp;</p> <p>The access layer wouldn&#39;t copy the buffer into its own buffer, so the data you provide need to keep its value even after you get out of the function. You would need to use a static array here.&nbsp;</p><div style="clear:both;"></div>