The aspect ratio of the card.
Indicates whether the card should auto-loop.
Indicates whether the card should auto-start.
The buttons to be displayed on the card.
The duration of the audio.
The image to be displayed on the card.
The media URLs or objects.
Indicates whether the card is shareable.
The subtitle of the card.
The text content of the card.
The title of the card.
Additional value for the card.
Represents an Audio Card.