A private message.
Unique (server-wide) identifier of this message.
Globally-unique ActivityPub identifier for this message.
Identifier of the user who sent this message.
Identifiers of primary recipients of this message.
Identifiers of secondary recipients of this message.
Timestamp (unixtime) when this message was sent.
Identifiers of recipients who have read (opened) this message.
Read receipts are currently only supported by Smithereen, so users from servers running different software won’t show up here.
The subject line.
The main text of the message as HTML.
Media attachments added to this message.
If this message is in reply to something, information about that object.
Mastodon and most other similar microblogging-style software represents private messages as posts with limited visibility, thus allowing its users to reply to public content in private.
The type of the object this is in reply to.
wall_post– A wall postwall_comment– A comment on a wall postmessage– Another message
If type is wall_post, the identifier of that post.
If type is wall_comment, the identifier of that comment.
If type is message, the identifier of that message.