Laravel - API Resources - How to change the collection array that gets returned using the transform method

laravel-api-resource-collection.php

<?php
class PageResourceCollection extends ResourceCollection
{
    public function toArray($request)
    {
        return [
            'data' => $this->collection->transform(function($page){
                return [
                    'id' => $page->id,
                    'title' => $page->title,
                    'slug' => $page->slug,
                ];
            }),
        ];
    }
}

Hi

thanks