https://devzone.nordicsemi.com/f/nordic-q-a/85678/mesh-custom-reliable-message-reply-not-receivedHello, I&#39;m trying to send a custom reliable message between two nRF52840 DKs, using the nRF5 SDK for Mesh v5.0.0 and nRF5 SDK 17.1.0, by modifying the light_switch examples. So far i&#39;ve been able to to send and receive a reliable message between theen-USTelligent Community 13Thu, 10 Mar 2022 15:29:13 GMThttps://devzone.nordicsemi.com/thread/357482?ContentTypeID=1Thu, 10 Mar 2022 15:29:13 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7346d80b-2468-4e97-aba8-f348f9b91256August Fricking<p><span>Realized that&nbsp;<code>reply_opcode&nbsp;<span style="font-family:arial, helvetica, sans-serif;">isn&#39;t actually sent with the message, but just specifies which OpCode has to be in the reply message. Case closed....</span></code></span></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/357473?ContentTypeID=1Thu, 10 Mar 2022 15:15:57 GMT137ad170-7792-4731-bb38-c0d22fbe4515:cfc6cf82-a874-4179-a0cd-5b8b04214d12August Fricking<p>I just found the problem. The reply OpCode is wrong. When I hard code it to the right client OpCode it works. How do i access the reply.opcode.opcode that is sent fromt the client though?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/357439?ContentTypeID=1Thu, 10 Mar 2022 14:14:43 GMT137ad170-7792-4731-bb38-c0d22fbe4515:94d336b9-9bfd-48fa-94bc-c8b75045c7f3August Fricking<p>Seems like I uploaded the server code twice in the previous post. Here is the clients main.c....</p> <p><a href="https://devzone.nordicsemi.com/cfs-file/__key/communityserver-discussions-components-files/4/main-_5F00_client.c">devzone.nordicsemi.com/.../main-_5F00_client.c</a></p><div style="clear:both;"></div>