How to utilize buttons instead of a scroll bar?

I want to make a scroll bar, but instead of having the scroll bar I want to have arrow buttons instead. I have the scroll box set up just cannot figure out how to use buttons instead of scrolling.

Do you want to scroll just a bit or reach the next item in the scroll box?

Hi Everynone,

either is fine as long as I am able to reach the next item.


For something super simple, this *should *work: