.NET Core Microservices - Define cart service interface

The video tutorial explains how to add a new card service interface in the iservice folder. It covers defining methods such as 'get card by user ID', 'add to cart async', 'update card async', and 'remove from cart async'. The tutorial emphasizes the use of generics, async methods, and handling parameters like user ID and token. It also highlights the importance of setting default values for tokens and clarifies the use of cardeto objects and card ID integers.

What is the return type used in the product service for generics?

What method is used to retrieve a card by user ID?

What parameter is expected when adding to the shopping cart?

What is the method name for updating a card?

What type of ID is used when removing from the cart?