UMG border widget rounded box outline gradient?

Hello everyone,

I am trying to create an UI element with the border widget using the rounded box option. My goal is to display an outline with a gradient and border radius. Unfortunately I am unable to apply a gradient to the border. I can apply one single color to the whole border, or with the “border” option I have an outline with a gradient, but no possibilty to apply a border radius. Is there any solution to this problem?

Thanks in advance!