BookStack\Providers\BroadcastServiceProvider::boot PHP Method

    public function boot()
    {
        //        Broadcast::routes();
        //
        //        /*
        //         * Authenticate the user's personal channel...
        //         */
        //        Broadcast::channel('BookStack.User.*', function ($user, $userId) {
        //            return (int) $user->id === (int) $userId;
        //        });
    }