The simplest way to get started with a new REST plugin is to use the Drupal console to create the stub of a resource that extends ResourceBase. Start by typing drupal generate:plugin:rest:resource and then answer the prompts. We'll be recreating the functionality from the User Posts View from earlier in this chapter within the Mastering Drupal 8 module from previous chapters.
Once you've done that, you'll have a UserPostsResource.php in src/Plugin/rest/resource of the mastering_drupal_8 module. Once you create this and rebuild the cache you'll need to enable it at Configuration | REST. At first, this new REST resource doesn't ...
