Disable touch-actions in smartphones

Hi all!

How can I create a button below the Full Screen button that locks the smartphone screen? When the user clicks on this button, the 3D model will be static because the button disables the touch actions (click, touch, tap, zoom, pinch…).

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I don’t know much about html but I found this which I believe can help. How can I put it in Puzzles?

<code class=”map-desc”>touch-action: none;