How can I create these help bubbles or tooltips for my input fields?

Hello,

I want to create a tooltip or help bubble for some input fields where I can explain their functionality like in the screenshot which you can see in the project settings page.

I tried creating a dialog with the JS API but it results to an error because I don’t have a key or url to an web-item but I don’t want to create a web-item with a url I just want a Pop-Up with some text in it.

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