How to control character movement over HUD Button

Hi guys,

I am using Hal Archviz Toolkit V1 in my current project. The final build is Windows platform on a touch screen monitor.

Since I would have all the control on the touch screen, therefore I would like to made some navigation button on screen to move the character to move front and back, left and right.

Could someone kindly please teach me how to this in BP with Hal Archviz Toolkit ? Thank you

anyone can help ?

preferable can get some screenshot for the BP how to set it up. Because Im very new to to unreal.

Thank you