https://community.gladysassistant.com/t/zigbee2mqtt-support-bouton-sonn
Hi @pascal_sapin,
I’ve converted your private message into a public topic 
It’s better to avoid private messages, otherwise the community and the developers can’t read them!
What have you tried?
I’ve tried almost everything: single click press and nothing, in lZ2MQTT no problem — I get a response
What did you try in Gladys, I meant to say?
Okay, and on the dashboard side, if you display the button, what state do you see?
@pascal_sapin do you have the latest version of Gladys (4.51)?
I was talking about the dashboard on the Gladys side, not the Zigbee2mqtt side
Hohhlala how stupid I am about this, in my excitement I didn’t notice that I didn’t yet have the latest version,
sorry to have bothered you, mea culpa 
definitely age doesn’t help
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no worries it happens 
Okay, I’m replying, it finally works after modifying the scene; I used a device state change.
Thanks, so I can install it on my fence post
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