Load entities
To load all products with ALL attributes (not optimal)
$query = new EntityCollectionQuery();$query->$existingMagentoProducts = $this->magentoProductRepository->getProducts($query);foreach ($existingMagentoProducts as $existingMagentoProduct) {if ($existingMagentoProduct->getProductType() === Magento2ProductType::Configurable()) {//Remove prices}}
// To load all products with only their prices use "addAttribute". Following code will load all products and only their price values
Save entities
$this->m2ProductRepository->saveProducts($products,false,true);