Represents a topic in a group’s discussion board.
Unique (server-wide) identifier of this topic.
Identifier of the group in which this topic exists.
Globally-unique ActivityPub identifier for this topic. Use this to match topics across servers.
The URL of the web page representing this topic. For topics in remote groups, points to the group’s home server.
The title of this topic.
The timestamp when this topic was created (unixtime).
Identifier of the user who created this topic.
The timestamp when someone last posted in this topic (unixtime).
Identifier of the user who last posted in this topic.
Whether this topic is closed so no further posts can be made.
Whether this topic is pinned at the top of the discussion board.
The total number of posts in this topic.
The first or last post text preview returned by some methods.