mayse so is more clear
That looks like msg.payload.value[0] to me.
In that second example, Impostata looks like an array. If that is the case, you have to select a single value from that array.
i done so : return {payload : msg.payload.value[0]}; and i had the value correct to return tx , i have the last question how i can do setpoint value + incremento value cose i want send to s7 the result into a variabile of plc .and reset the value to 0 after sended i dont know if is possible ? my regards for the help
11/3/2022, 16:48:33node: 54b94ff099b2509fmsg : Object
object
topic: ""
name: "pippo"
_messageId: "f757f1d4-8ad5-4eb4-9fc1-964b10589634"
_endpointId: "40010"
_confId: "f53984de399d4e5b"
command: "AdjustBrightness"
extraInfo: object
payload: -2
acknowledge: true
_msgid: "49e9a160a7d9bf8f"
how i can see in dashboard this value ? -2 with a function ?
Not possible to do it within a function, you should use either a Dashboard text node, or a UIBuilder template.
Simplest way is to install the Dashboard nodes if you haven't yet, and take a text node. Check the documentation and the website, there are a lot of examples.
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