Where can the developer find the responsible controller in the Magento.Checkout module?

A merchant has noticed an error in the checkout. The accessed URL is /checkout.

Where can the developer find the responsible controller in the Magento.Checkout module?
A . Controller/lndex/lndex.php
B. Controller/lndex/Checkout.php
C. Controller/Checkout/lndex.php

View Answer

Answer: A

Explanation:

In Magento 2, when you access a URL like /module, the system internally maps it to the default action of the default controller (which is Index) of that module. Hence, for the /checkout URL, the Magento. Checkout module would use the Index action of the Index controller.