Node Red Ignore Switch

General
1

Hey,

If the two switches are off and then I trigger one of the injectors, the function behind it is still executed, but why?

grafik

grafik

Why is this still happening?

Thanks in advance

2

It's still happening because you misunderstand the role of a ui-switch.

For a node which either blocks messages or lets them through, try node-red-contrib-simple-gate

3

Thank you.
I thought the switch blocks messages.
I put a function behind the Switch with this code:

if(msg.payload == true)
{
return msg;
}

Now its working

4

I'm glad you have fixed it.

At the risk of confusing you, there is also a Switch node (not UI) which can very easily discard or divert messages based on their payload.

It's probably a mistake to jump too quickly into writing functions rather than using the available nodes.

5

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