Everything you need to add a UMG Personal Radar.
Add a single component to all actors that should appear on the radar, set their icons, add a Radar widget it to the HUD, and voila! The Personal Radar will visualize it.
https://www.unrealengine.com/marketplace/en-US/product/customizable-personal-radar
There is also a Video Overview details how it all works, I wanted this to be as simple as reasonably possible to use 🙂