Best practice? collect all input fields at once

Hi all!

I need some inspiration on how to collect all user input fields at once by pressing a button.
Is there a way to read out the choosen value of an numeric input field?

Have a look at the ui_form node, which may do what you want.
If not then you can use a Join node to combine the inputs as they are entered, then trigger their release from the Join node by pressing the button. Make sure each field specifies a unique topic and set the Join node to key/value mode, and make the button generate msg.complete true so that it releases the combined message. Feed that into a debug node and you will see what you have.

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