variables:
    {cobble} = true
command /cobble [<text>]:
    permission: gowno.gowno
    permission message: Nie masz uprawnien gownie
    trigger:
        if {cobble} is true:
            set {cobble} to false
            send "&aCobble zostal &cwylaczony" to player
        else:
            set {cobble} to true
            send "&aCobble zostal &2wlaczony" to player
on place:
    if player's tool is cobblestone:
        if {cobble} is false:
            cancel event
            send "Gowno" to player