Set a Stat Value
Stats are stored as int or a float.
Each stat needs to be set up on the Steamworks Site and changes published before you can use them
Steamworks.SteamUserStats.SetStat( "KillCount", totalkills );
Steamworks.SteamUserStats.SetStat( "HealthTaken", totalHealthTaken );
We also have some variants to make incrementing a bit easier
Steamworks.SteamUserStats.AddStat( "KillCount", 1 );
Steamworks.SteamUserStats.AddStat( "HealthTaken", healthTaken );
You should call StoreStats when you want to send the changes to Steam's backend. If the user quits/crashes before you do that then the stats might not be updated remotely.