With the integration of a siren in zigbee2mqtt, I am forced to use an external tool to send a message with its payload to test the siren.
I thought that being able to do this in a scene as the action Send an MQTT message would allow, in the case where the device is not integrated, to send it a command.
Hi,
I’m totally for it but no more votes 
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Actually, I thought of this feature for you because I’m a bit slow at integrating your siren.
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I worked on my request and added an action in scenes to send a msg to zigbee2mqtt.
This allows, for example, controlling a zigbee device that is not yet recognized in Gladys.
For example the Woox siren used by @Hizo.
One missing feature is the ability to control the siren.
For that, with the new action Send a zigbee2mqtt message, I can send the command directly to the siren.
For example to activate the siren:
The same thing to stop it
I added scene activation to the dashboard:
When starting the Start scene, in software like MQTTX the topic is correctly sent
Same for the stop
And physically the siren triggers and stops.
@pierre-gilles, here is the PR
An image is being built: willde71/gladys-test:zigbee2mqtt-msg
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Excellent @_Will_71 !! 
Great job !
Heads up, small coverage issue — there are missing tests for the scene action
Thanks. Yes, I saw it. I’ll take care of it over the weekend.
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That’s really nice! I have a few devices that aren’t recognized by Gladys, so this is a good solution to make up for the lack of certain features 
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@pierre-gilles, I’ve added the missing tests in the PR.
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Looks good to me! Could you just create a PR on the documentation side (v4-website/docs/scenes at master · GladysAssistant/v4-website · GitHub) to add a short explanatory note about this scene action? Thanks!
Yes, of course
@pierre-gilles here’s the PR for the doc
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This feature is available in Gladys Assistant 4.49:
I’m closing this thread to free up votes 
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