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Media Key message event.
For more information, see https://www.w3.org/TR/encrypted-media/#dom-mediakeymessageevent.

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Extends

  • Event

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Properties

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message

readonly message: ArrayBuffer The message from the CDM. Messages are Key System-specific.

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messageType

readonly messageType: MediaKeyMessageType The type of the message.
Last modified on February 25, 2026