posts[i]. author

Object containing fields relating to the author of the post.

The author object contains the following fields:

name (String) - Name of the author
aboutMe (String) - 'About me' description filled out by the author.
profileUrl (String) - URL for the profile of the post's author. Null if the user has no profile.

posts[i]. author is a member of the Blog Posts dictionary.

author has data type object

Objects are containers, which have named values of many items of data.

Objects can be constructed inline, using a squiggly-brace syntax similar to JSON.
Example: An inline object being passed to the string snippet operator.
<b:eval expr='snippet(data:post.body, { length: 150, links: false, linebreaks: false })' />