如何在WordPress的“WP REST API”插件中向Post实体添加新属性？

I'm trying to add a new property to the Post entity of "WP REST API" plugin. The new property is "views". It means the numbers of times that a post has been viewed. The data come from the plugin "Post Views Counter" how is on the WordPress table wp_post_views.I'm trying to add a new property to the Post en