https://devzone.nordicsemi.com/f/nordic-q-a/71740/retain-messages-when-sent-over-mqttHi Dev zone, I am working with the mqtt sample program using NCS1.3.0 and with a Nordic Thingy91. I am able to publish and subscribe to the data , and I am using Mqtt.fx to view the data. I wanted to enable the retain message feature that is availableen-USTelligent Community 13Thu, 18 Feb 2021 12:00:06 GMThttps://devzone.nordicsemi.com/thread/295069?ContentTypeID=1Thu, 18 Feb 2021 12:00:06 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0cf446bb-4718-413f-9e0b-4c9355fca2abAdeel<p>Hi,&nbsp;</p> <p>I am sorry. I figured it out myself.&nbsp; Its using the param.retain_flag = 1; in the data_publish library.</p> <p>Regards,</p> <p>Adeel.</p><div style="clear:both;"></div>