We don't offer scroll support through the visual actions UI, but you can wire it up easily in code.

Here's a forkable example: https://share.haiku.ai/u/zack4/scroll 

In short: add a wheel listener as an action to your root element. Inside that handler, grab the event.wheelDeltaY to get the amount scrolled, then use this.setState to accumulate that value into a state. You can see the code I used if you fork that project and open up the code tab.

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