https://devzone.nordicsemi.com/f/nordic-q-a/47659/light-switch-on-off-notification-on-the-ios-appHello, I am working with the mesh SDK 2.1.1 version and the Light switch proxy server and proxy client examples. Everything is working fine between client and server and group works. With my custom ios application I can change the state of theen-USTelligent Community 13Tue, 28 May 2019 10:22:52 GMThttps://devzone.nordicsemi.com/thread/189563?ContentTypeID=1Tue, 28 May 2019 10:22:52 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c93a8945-b246-461f-8216-0133f65bf84dJoakim Jakobsen<p>Hi.</p> [quote user=""]What is the best architecture for real-time information in the app[/quote] <p>I assume you are talking about the iOS application here?</p> <p>I&#39;ve talked to our mobile developers about this and it shouldn&#39;t be any major trouble doing this.</p> <p>Whenever the state changes, for example on button press, the node will send a message to a given address that the phone would receive. There should be a callback from a manager for the messages received available in the nRF Mesh library.</p> <p>Best regards, <br />Joakim.</p><div style="clear:both;"></div>