public static function isAgent($id = null)
    {
        if (isset($id)) {
            $user = User::find($id);
            if ($user->ticketit_agent) {
                return true;
            }

            return false;
        }
        if (auth()->check()) {
            if (auth()->user()->ticketit_agent) {
                return true;
            }
        }
    }