Pytanie Zmienna

Witam

Jak dodac do tego skryptu zmienna która po wpisaniu komendy "/doubleexp sprawdz"  sprawdza czy jest wlaczony double xp np wyskakuje

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Double xp: Wlaczony

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Kod:

command /double-exp:
    aliases: /doubleexp, /double
    permission: admin
    permission message: {@msg-no-perm}
    executable by: console and player
    trigger:
        set {_prefix} to "{@prefix-double-exp}"
        if {expmultiplier} is 0 or 2:
            set {expmultiplier} to 1
            if {@exp-multiplier-bc} is false:
                send "{@msg-multiplier-on}"
            else:
                broadcast "{@msg-multiplier-on}"
            stop
        if {expmultiplier} is 1:
            set {expmultiplier} to 0
            if {@exp-multiplier-bc} is false:
                send "{@msg-multiplier-off}"
            else:
                broadcast "{@msg-multiplier-off}"

command {@custom-exp-command}:
    aliases: {@custom-exp-aliases}
    permission: admin
    permission message: {@msg-no-perm}
    executable by: console and player
    trigger:
        set {_prefix} to "{@prefix-custom-exp}"
        if {expmultiplier} is 0 or 1:
            set {expmultiplier} to 2
            if {@exp-multiplier-bc} is false:
                send "{@msg-multiplier-on}"
            else:
                broadcast "{@msg-multiplier-on}"
            stop
        if {expmultiplier} is 2:
            set {expmultiplier} to 0
            if {@exp-multiplier-bc} is false:
                send "{@msg-multiplier-off}"
            else:
                broadcast "{@msg-multiplier-off}"