Present navigation markers in the Info panel to help users quickly navigate your content.
In addition to displaying metadata, the Info panel can also present navigation markers to help users quickly navigate your content. These markers represent points of interest within the media’s timeline to which you can skip by selecting the desired marker with the Siri Remote.
An AVNavigationMarkersGroup is composed of one or more AVTimedMetadataGroup objects, each representing an individual marker presented in the player’s Info panel. Each AVTimedMetadataGroup is composed of a time range in the asset’s timeline to which this marker applies, an array of AVMetadataItem objects to define the marker’s title, and optionally, its thumbnail artwork.
The following code example shows how you can present a chapter list for your media: