Incoming comments in a discussion thread were marked as read.
Constructor type of
32-bit) – Discussion group ID.
32-bit) – ID of the group message that started the thread (message in linked discussion group).
32-bit) – Message ID of latest read incoming message for this thread.
32-bit, optional) – If set, contains the ID of the channel that contains the post that started the comment thread in the discussion group (channel_id).
32-bit, optional) – If set, contains the ID of the channel post that started the the comment thread.