Precision Landing on the Mavic 2 works a bit differently than it does on other DJI drones. This guide explains everything you need to know.
https://www.djidronenews.com/how-to-use-precision-landing-with-the-mavic-2-pro-zoom
You need to build a module for that, I don’t think DJI provide that much accuracy. Also, it depends how much accuracy you want.