MediaKeySessionType

Open Beta Documentation Amazon offers this technical documentation as part of a pre-release, open beta. The features described might change as Amazon receives feedback and iterates on the features. For the most current feature information, see the Release Notes.

MediaKeySessionType: "temporary" | "persistent-license"

Specifies the type of Media Key Session.

temporary:

A session for which the license, key(s), and record of or data related to the session are not persisted.

persistent-license:

 A session for which the license (and potentially other data related to the session) are persisted

For more information, see https://www.w3.org/TR/encrypted-media/#dom-mediakeysessiontype.

Last updated: Sep 30, 2025