The video tutorial covers setting up a GraphQL plugin, creating a like post mutation, and understanding the structure of GraphQL API responses. It emphasizes reusing existing types and understanding the response structure, including post entity responses. The tutorial concludes with a brief mention of implementing a custom resolver in the next lesson.

What is the initial step in setting up a GraphQL plugin according to the tutorial?

• Creating a new type

• Copying an extension function

• Removing all parameters

• Starting the server

What is the main purpose of the 'like post' mutation?

• To fetch all posts

• To delete an existing post

• To create a new post

• To update a post with a like

Why is it recommended to reuse existing types from GraphQL documentation?

• To prevent reinventing the wheel

• To avoid errors

• To ensure compatibility

• To save time and effort

What is the required input type for the 'like post' mutation?

• Float

• ID

• Boolean

• String

What is the purpose of a custom resolver in the context of the 'like post' mutation?

• To create new types

• To handle requests and send responses

• To delete posts

• To start the server