Hi,
Please have a look at this:
https://forum.mendix.com/link/questions/87390
I hope this helps.
Thank you.
Hi Naomichi,
I have implemented the same functionality in one application.
In your custom css file you can target the element using CSS [attribute*=value] Selector, in this case [class=’column-selectors’] and give required width, height and overflow scroll.
Thank You