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To retrieve a list of product SKUs in random order using Magento 2's ProductRepository and SearchCriteriaBuilder, you can modify your code to include a random sort order. Here's how you can achieve this:

use Magento\Framework\Api\SearchCriteriaBuilder; use Magento\Catalog\Api\ProductRepositoryInterface; use Magento\Framework\Api\SortOrder; use Magento\Framework\ObjectManager\ConfigLoaderInterface;

class YourClass { /** * @var ProductRepositoryInterface */ protected $productRepository;

/**
 * @var SearchCriteriaBuilder
 */
protected $searchCriteriaBuilder;

/**
 * @var ConfigLoaderInterface
 */
protected $configLoader;

public function __construct(
    ProductRepositoryInterface $productRepository,
    SearchCriteriaBuilder $searchCriteriaBuilder,
    ConfigLoaderInterface $configLoader
) {
    $this->productRepository = $productRepository;
    $this->searchCriteriaBuilder = $searchCriteriaBuilder;
    $this->configLoader = $configLoader;
}

public function getRandomProductSkus()
{
    // Create a random sort order
    $sortOrder = new SortOrder();
    $sortOrder->setField('rand'); // 'rand' is not a native Magento field; you'll need to create a custom attribute for random sorting.

    // Set the random sort order in the search criteria
    $this->searchCriteriaBuilder->addSortOrder($sortOrder);

    // Build the search criteria
    $searchCriteria = $this->searchCriteriaBuilder->create();

    // Get the list of products
    $productList = $this->productRepository->getList($searchCriteria);

    // Extract SKUs from the products
    $skus = [];
    foreach ($productList->getItems() as $product) {
        $skus[] = $product->getSku();
    }

    return $skus;
}

}