ReadonlyauthorThe media's author pk.
Optional ReadonlychainingThe viewer's chaining session id; absent only for a process the viewer never opened.
ReadonlydeliveryWhich page of the stream delivered the reel: the viewer's first (head) or a later one (tail).
ReadonlyindexThe reel's index in the viewer (the events' media_index, m_ix).
ReadonlymediaThe media's numeric pk.
ReadonlymediaThe media's type (2 for a clip).
ReadonlymoduleThe viewer's module (clips_viewer_clips_tab, clips_viewer_clips_profile, clips_viewer_reel).
ReadonlynavThe viewer's navigation chain (header form), '' while the wire renders none.
Optional ReadonlyrankingThe media's logging info token (the events' ranking_info_token), when the answer carries one.
Optional ReadonlytakenThe media's taken time, when the answer carries it.
Optional ReadonlytrackingThe media's organic tracking token, when the answer carries one.
ReadonlyviewerThe compound key of the reel the viewer opened on (viewer_init_media_compound_key).
ReadonlyviewerThe viewer session's id: the session every event of the visit names.
The facts one reel in the Reels viewer carries into its events: the reel's own answer facts and the viewer session it is shown in. Every field is read from state and answers, never invented — the tokens are the answer's own opaque strings (absent when the answer names none), the author and the taken time are the media's, and the index is the reel's place in the viewer.