how to chnage pagination in laravel project specific page code example

Example 1: paginate relationship laravel7

$category = Category::first();
$apps = $category->apps()->paginate(10);
return view('example', compact('category', 'apps'));

Example 2: access paginator object attribute in laravel

$paginator = $this->items()->where('position', '=', null)->paginate(15);
$paginator->getCollection()->transform(function ($value) {
    // Your code here
    return $value;
});