on mine stone:
        chance of 5%:
                give 1 chest named "&c&lCS:GO CHEST" to the player
                send "&aGRATULACJE WYDROPILES &6CS:GO &aCHEST!"
        chance of 1%:
                give 1 tripwire hook named "&c&lCS:GO KEY" to the player
                send "&aGRATULACJE WYDROPILES &6CS:GO &aKEY!"

on right click holding a tripwire hook:
        if name of player's tool is "&c&lCS:GO KEY":
                if player has a chest named "&c&lCS:GO CHEST":
                        cancel event
                        remove chest named "&c&lCS:GO CHEST" from player
                        remove tripwire hook named "&c&lCS:GO KEY" from player
                        wait 2 tick
                       drop a random item of {css::go::*} at player

on right click holding a chest:
        if name of player's tool is "&c&lCS:GO CHEST":
                cancel event

command /dodaj <text>:
        permission: cos.sk
        trigger:
                if arg 1 is set:
                        add arg 1 to {css::go::*}