# MQTT name length

**URL:** https://community.garadget.com/t/mqtt-name-length/8527
**Category:** Apps
**Created:** [September 21, 2021, 10:17pm UTC](https://community.garadget.com/t/mqtt-name-length/8527 "2021-09-21T22:17:31Z")
**Posts on this page:** 1
**Showing post:** 6

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### Author: ![garadget](https://community.garadget.com/user_avatar/community.garadget.com/garadget/32/34_2.png) [@garadget](https://community.garadget.com/u/garadget)
#### Post date: [September 23, 2021, 2:54am UTC](https://community.garadget.com/t/mqtt-name-length/8527/6 "2021-09-23T02:54:02Z")

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There is a get-config parameter to the command topic.  
You can find full details in this post:

> [@MQTT support](https://community.garadget.com/t/mqtt-support/3226/5):
>
> New Version! New firmware version (1.20) with MQTT support has been deployed. Change Log (1.19) Recent versions of Home Assistant’s internal MQTT broker users protocol version 3.1.1 which expects a different handshake from the client and rejects the connection otherwise. The new version of firmware alternately tries to connect using protocol v3.1 and v3.1.1 until succeeds. Added light brightness sensor in case somebody wants to use in automation or just for reporting Implemented device configu…

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_[View the full topic](https://community.garadget.com/t/mqtt-name-length/8527)._