Multiplayer Survival Game Template

Hey there. Have you taken a look at the Initial Setup part of the Health Manager documentation? As stated in there…

So in order to initialize the health manager, you need to do something similar to this in your player controller:

This will intialize the manager. However you also need to hook it up to the damage system UE has (or your own if you have it). Again, I recommend looking at the Initial Setup portion of the Health Manager Documentation as it includes example screenshots, as well as tells you where you can refer to in the included SurvivalController example to learn these sorts of things.