Use mqtt_publish to send value of sensor

@DAVIZINHO wrote:

Hello,
I want to send the value of the sensor by mqtt_publish to my domoticz server. This will very usefull for me.

Now i create a automation with mqtt_publish service and works if I send a number value like this:

payload: '{ "command": "udevice", "idx": 174, "nvalue": 0, "svalue": "59"}'
topic: domoticz/in

If i launch this automation it works great and push the “59” value in my device throught mqtt.

But i want to use the value of a sensor: “sensor.weight”.

How can i do this?? its important respect the quotes or it will not works

thanks a lot for the support!

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