I need to "function" node to send information only what i wrote in code and nothing else! How to block everything else that "flies" through it after the node "mqtt"? The code that I need to send! var button_corridor = flow.get('button_corridor') || ""; //Что бы отслеживалось состояние кнопки. if…

At beginning of code set msg = {}; That will set whole message to an empty object. This will affect msg.payload, so if you need it in your if statement, set var hold = msg; before you overwrite msg. Then use if(hold.payload = ... in your if statement.

Paul-Reed 30 October 2020 09:39 4

You could just create a new msg object...
See - Easy way of adding only mytimes to a msg as an example.
(Similar to what @E1cid suggested)

1 Like

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How to block everything that is not needed?

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