options:
    message: Wiadomosc!
command /potka:
    permission: potka.admin
    trigger:
        add 1 of potion:8193 named "&c&lMala mikstura HP" to player's inventory
on drink:
    if player's tool is potion:8193 named "&c&lMala miksuta HP":
        cancel event
        if {potka::%player%} is not set:
            set {potka::%player%} to 0
        if {potka::%player%} is 0:
            spawn 20 of particle heart:1 offset by 0.5, 0.5, 0.5 at player      
            apply regeneration 10 to player for 1 seconds
            set {potka::%player%} to 10
        else:
            send "{@message}"
every 1 second:
    loop {potka::*}:
        if loop-value is more than 0:
            remove 1 from {potka::%loop-index%}