Magento Related Exams
Magento-2-Certified-Associate-Developer Exam
A module MyModule needs to send notifications to customers only when the account was modified from a mobile app using the REST web APIs.
You decided to implement an observer for customer_save_after_data_object event.
In which file do you declare the observer?
While reviewing a layout file named sales_order_view.xml you notice the element
What is the purpose of this element?
What will be the result of calling the save() method on a collection instance?