jail system (/jail /unjail)

command /setjail:
    permission: jail.admin
    trigger:
        set {jail.location} to location of player
        send "&aJail location set." to player

command /jail <player> <integer> <text>:
    permission: jail.admin
    trigger:
        if {jail.location} is not set:
            send "&cSet a jail location first with /setjail." to player
            stop
        teleport arg-1 to {jail.location}
        set {jail.until.%uuid of arg-1%} to arg-2 minutes from now
        set {jail.reason.%uuid of arg-1%} to arg-3
        broadcast "&c%arg-1% has been jailed for &e%arg-2% &cminutes. Reason: &f%arg-3%"

command /unjail <player>:
    permission: jail.admin
    trigger:
        delete {jail.until.%uuid of arg-1%}
        delete {jail.reason.%uuid of arg-1%}
        teleport arg-1 to spawn of world "world"
        send "&a%arg-1% has been released from jail." to player

every 30 seconds:
    loop all players:
        if {jail.until.%uuid of loop-player%} is set:
            if {jail.until.%uuid of loop-player%} is less than now:
                delete {jail.until.%uuid of loop-player%}
                teleport loop-player to spawn of world "world"
                send "&aYou have been released from jail." to loop-player