Message flow between provisioner(moblie/proxy client) and mesh node which act as a proxy nodehttps://devzone.nordicsemi.com/f/nordic-q-a/51575/message-flow-between-provisioner-moblie-proxy-client-and-mesh-node-which-act-as-a-proxy-nodeDear support team, I&#39;m using the demo ( thingy52-mesh-provisioning-demo). And I&#39;m developing the Windows APP as a provisioner/proxy client. When I send the proxy pdu with the opcode(0x8003) through the GATT Proxy Service (Mesh Data IN)to the meshen-USTelligent Community 13Mon, 02 Sep 2019 12:09:26 GMTRE: Message flow between provisioner(moblie/proxy client) and mesh node which act as a proxy nodehttps://devzone.nordicsemi.com/thread/207392?ContentTypeID=1Mon, 02 Sep 2019 12:09:26 GMT137ad170-7792-4731-bb38-c0d22fbe4515:18e524bb-7e9f-4791-b2de-6673bdc05b6dMttrinh<p>Hi,</p> <p>Could you give more details on what you are trying to do here?</p> <p>The opcode you are using is for an AppKeyStatus message. This opcode is returned for an AppKeyAdd message. You might be sending a wrong opcode which is why you aren&#39;t getting any notifications</p> <p></p> [quote user=""]And how can I trace the code on thingy. I don&#39;t know where the pud interface in which source file or method.&nbsp;[/quote] <p>What do you mean by this?</p><div style="clear:both;"></div>