You are debugging a before plugin implementation on the authenticate method of a third
party extension’s class that is not being called. The definition of the plugin within your
module’s di.xml is:
<type name=”Extension\Module\Service\AuthProvider”>
<plugin name=”authentication”
type=”MyCompany\MyModule\Plugin\Service\AuthProvider” />
</type>
The structure of the third party class is:
final class AuthProvider {
final public function hashToken();
public function authenticate();
private function send();
} What is causing the plugin on the authenticate method to not work as expected?

You are building a customization for Magento sites that must change the template for the customer account order history view. How do you accomplish this?

You are customizing a Magento website that will be connected to an ERP through the REST API. Also on this website, you have written a way for a customer to add comments to the order. These comments need to be sent to the ERP. Keeping maintainability in mind, how do you accomplish this?

There is a method which returns an entity:
public function get($entityId, $editMode = false) {
$entity = $this→entityLoader→load($entityId);
return $entity;
}
You need to log all ocurrences of the entity being loaded successfully, along with the selected
edit mode. What mechanism achieves this with the smallest increase of the call stack?

You are creating a module Micro Inventory that can update product stock quickly and also some feature, you implement public function resupply($productId, $qty) {
$product = $this->productRepository->getById($productId);
$stockItem = $this->stockRegistry->getStockItemBySku($product->getSku());
$stockItem->setQty($stockItem->getQty() + $qty);
$stockItem->setIsInStock((bool)$stockItem->getQty());
$this->stockRegistry->updateStockItemBySku($product->getSku(), $stockItem);
}
Where is stockRegistry?

How would you create a custom product attribute which is only applicable to bundle products?