# MQTT node- device username

**URL:** <https://discourse.nodered.org/t/mqtt-node-device-username/25575>\
**Category:** General\
**Created:** [26 April 2020 23:11 UTC](https://discourse.nodered.org/t/mqtt-node-device-username/25575 "2020-04-26T23:11:23Z")\
**Posts on this page:** 1\
**Showing post:** 10

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**Author:** ![Colin](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/colin/32/17040_2.png) [@Colin](https://discourse.nodered.org/u/Colin)\
**Post date:** [27 April 2020 20:58 UTC](https://discourse.nodered.org/t/mqtt-node-device-username/25575/10 "2020-04-27T20:58:40Z")

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I think it would be worth your while spending a little time working through this tutorial on MQTT, then the fundamentals of operation should become clear  
[https://www.hivemq.com/mqtt-essentials/](https://www.hivemq.com/mqtt-essentials/)

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