In this video, we show you how easy it is now to switch, swap, or change materials on creative props. Verse can now see Material Instances in the project folder and only needs the exact name of the material instance in the code. From there, you can use SetMaterial to make changes. If you were to ask AI right now about how to do this, you will go down a deep rabbit hole!
https://dev.epicgames.com/community/learning/tutorials/6v25/fortnite-easily-change-or-set-materials-on-props-in-uefn