You have configured an event observer to watch the checkout_submit_all_after event using this XML:
What is the required class definition for the event observer?
What scopes are available for customer attributes?
What are two functions of a resource model? (Choose two.)
There are two different configurable products which both share one variation. The shared variation is represented by the same simple product.
A customer added both configurables to the cart with the same selected variation?
How will they be displayed?