command /areny:
    trigger:
        open chest with 5 rows named "&a&l             AR&b&lE&6&lNY" to player
        format slot 11 of player with 1 of diamond sword named "&b&lKNOCK" with lore "&2Kliknij aby dojsc!" to run [execute player command "knock"]
        format slot 22 of player with 1 of obsidian named "&8&lFOSA" with lore "&2Kliknij aby dojsc!" to run [execute player command "fosa"]
        format slot 15 of player with 1 of enchanted golden apple named "&6&lHARD" with lore "&2Kliknij aby dojsc!" to run [execute player command "hard"]
        format slot 31 of player with 1 of iron helmet named "&7&lIRON" with lore "&2Kliknij aby dojsc!" to run [execute player command "iron"]

on right click with chest:
    cancel event
    wait 2 ticks
    execute the player command "areny"

on left click with chest:
    cancel event
    wait 2 ticks
    execute the player command "areny"