Ignore single mosnter

Hello need persistent for ignore single mosnter after chest only if monster have more then 90 % can sb help with it ?: )
or if someone pm to me ("xyz") bot turn off targeting

i dont understand what you want in the first part but heres the msg one, i hope there isn't any typo

auto(500)

local msg = "xyz"

local sender = "Eternal Oblivion"

foreach newmessage m do

    if m.content == msg and m.sender == sender then

        if $targeting then

            setsetting('Targeting/Enabled', 'no')

        else

            setsetting('Targeting/Enabled', 'yes')

        end

    end

end

edit: typo