Skrypt do vaulta

on join:
    set player's balance to (player's balance * 0.9) if player's balance >= 5000000000

a  dopisalbys do tego zeby dzialalo tylko 1 raz na graczu a po kazdym nastepnym wejsciu juz nie?

on join:
    {var1::%player%} is not set
    set player's balance to (player's balance * 0.9) if player's balance >= 5000000000
    set {var1::%player%} to true