Mod detector

local players = game:GetService("Players")
---------------SETTINGS
local toCheck = {348902,1,0000}--Add the UserId's of the people you want to check for
local canLeave = true --If you want to auto leave the game then change this to true
local canKick = true--If you have a anti client kick executed set this to false
local notificationsEnabled = true -- set to false if the game can detect notifications
local kickmessage = "" --The message you want when you're kicked. canKick must be true
-----------------
function check(player)
    for i,v in pairs(toCheck) do
        if tostring(v) == tostring(player.UserId)then
            return true
        end
    end
    return false
end
function notify(title,text,duritation)
    game:GetService("StarterGui"):SetCore("SendNotification",{
        Title = title;
        Text = text;
        Duritation = duritation;
    })
end
function crash(o)
    if o then
        if kickMessage=="" then
        players.LocalPlayer:Kick("A player in your toCheck table is currently in this game")
        else
            players.LocalPlayer:kick(kickMessage)
        end
    else
        pcall(function() players.LocalPlayer.Character:BreakJoints() end)--kills you
        wait(1)
        pcall(function()
            local part = Instance.new("Part")
            local d = part.TouchEnded:Connect(print)
            part.DescendantRemoving:Connect(function()
            d:Disconnect()
            end)
            part:Destroy()
        end)--this should close your game instantly
        while true do print('k') end--if all else fails this will freeze your game
    end
end

for i,v in pairs(players:GetPlayers())do--I told you.
    if check(v) and canLeave then
        crash(canKick)
    elseif check(v) then
        if notificationsEnabled then
            notify("WARNING",v.Name.." is in game and is on your detection list",5)
        end
    end
end

players.PlayerAdded:Connect(function(player)--I told you x2.
    if check(player) and canLeave then
        crash(canKick)
    elseif check(player) then
        if notificationsEnabled then
            notify("WARNING",player.Name.." has joined as is on your detection list",5)
        end
    end
end)

if notificationsEnabled then
    notify("Welcone","Welcome,"..players.LocalPlayer.Name,5)
    notify("REMEMBER","Remember to configure your settings at the top of the script!",5)
end

if notificationsEnabled==false and canLeave == false and canKick == false then
    print("The fuck are you executing this script for?")
end