on right click with book:
    if name of player's tool is "&fVoucher na rangę &a&lVIP":
        remove 1 book named "&fVoucher na rangę &a&lVIP" from player
        execute console command "lp user %player% parent addtemp vip 1d"
        send "Pomyślnie aktywowano voucher na rangę :vip:" to player
    if name of player's tool is "&fVoucher na rangę &e&lSVIP":
        remove 1 book named "&fVoucher na rangę &e&lSVIP" from player
        execute console command "lp user %player% parent addtemp svip 1d"
        send "Pomyślnie aktywowano voucher na rangę :svip:" to player
    if name of player's tool is "&fVoucher na rangę &1&lSPONSOR":
        remove 1 book named "&fVoucher na rangę &1&lSPONSOR" from player
        execute console command "lp user %player% parent addtemp sponsor 1d"
        send "Pomyślnie aktywowano voucher na rangę :sponsor:" to player

command /voucher <text> [<player>]:
    permission: voucher
    permission message: &cNie masz dostępu do tej komendy!
    usage: &6&lᴠᴏᴜᴄʜᴇʀ &7» &fPoprawne użycie: &e/voucher <vip, svip, sponsor> [<gracz>]
    trigger:
        if arg 1 is "vip" or "svip" or "sponsor":
            if arg 2 is set:
                giveVoucher(arg-2, arg-1)
            else:
                giveVoucher(player, arg-1)
        else:
            send "&6&lᴠᴏᴜᴄʜᴇʀ &7» &fPoprawne użycie: &e/voucher &9<vip, svip, sponsor> &5[<gracz>]" to player
            
function giveVoucher(p: player, type: text):
    if {_type} is "vip":
        give 1 book named "&fVoucher na rangę &a&lVIP" with custom model data 20 to {_p}
        send "Pomyślnie nadano voucher na rangę :vip:" to {_p}
    if {_type} is "svip":
        give 1 book named "&fVoucher na rangę &e&lSVIP" with custom model data 25 to {_p}
        send "Pomyślnie nadano voucher na rangę :svip:" to {_p}
    if {_type} is "sponsor":
        give 1 book named "&fVoucher na rangę &1&lSPONSOR" with custom model data 30 to {_p}
        send "Pomyślnie nadano voucher na rangę :sponsor:" to {_p}