Group Whitelist

local Library = {
    User = game:GetService("Players").LocalPlayer,
    Group = 3901342
}
if Library.User:IsInGroup(Library.Group) then
    print(Library.User.Name, " is whitelisted !")
else
    print(Library.User.Name, " is NOT whitelisted !")
    Library.User:Kick(Library.User.DisplayName)
end