Comments are a way for subscribers to interact with newsletters. They're a way to provide feedback, ask questions, and generally engage with the content of an email. Comments exist in a tree structure; comments that reply to other comments are considered "children" of the parent comment.
A unique TypeID associated with the object.
The date and time at which the object was first created.
The ID of the email this comment is attached to.
The ID of the subscriber who posted the comment, or null if posted by the newsletter author.
The ID of the parent comment, if this comment is a reply to another comment.
The text content of the comment.