02 Use Classes To Add New Fields Later

# Source URL: https://dev.epicgames.com/documentation/fortnite/verse-persistence-best-practices
# Local doc:  epic-docs/documentation/fortnite/verse-persistence-best-practices.md
# Section:    Use Classes to Add New Fields Later
player_profile_data := class<final><persistable>:
Class:player_class = player_class.Villager
XP:int = 0
Rank:int = 0
CompletedQuestCount:int = 0
QuestHistory:[]string = array{}