Optional ReadonlycarouselThe carousel's children (container ids), count and the slide in front, when the media is a carousel.
Optional ReadonlyfeedThe item's position in the feed page (feed_position).
Optional ReadonlyloggingThe feed's logging token on the media (logging_info_token), echoed by the like and the note.
ReadonlymediaContainer media id (<pk>_<authorPk>).
Optional ReadonlystartingThe clip the contextual feed was entered from (the media's pk), only on the
contextual feed's like — android-451/media-like 115. The timeline and a
post opened from a link carry none; the screen that knows the surface
supplies it.
What the acted-on feed media carries from the feed answer.