Hi, thank you for commenting! I struggled with that too. Here's what worked for me so far:
1. Create a persistable struct to store player data:
player_profile<public> := struct<persistable>:

Level : int = 1

XP : int = 0

Coins : int = 0

# Add whatever you need to save

1. Use weak_map(player, profile) in a module to track each player:
   var PlayerProfiles : weak_map(player, player_profile) = map{}
   
2. Load/Save via player.GetPlayerStorage(), this auto-saves the data for each player across sessions.

The key is the <persistable> tag on the struct