CaptionDescriptor

CaptionDescriptor Object of AppleNewsFormat The object you use in image components for displaying captions when the image is full-screen.

object CaptionDescriptor

Discussion

Use a CaptionDescriptor object to provide a caption or attribution for an image that’s displayed full screen. You can use a caption descriptor with a Figure, Portrait, or Photo component, and also with the individual items in a Gallery or Mosaic component.

You can use this object in Figure, Portrait, Photo, and Gallery Item.