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# renderedLegibleOutput(_:didOutputRenderedCaptionImages:forItemTime:)

Tells the delegate that new rendered caption images are available.

```
optional func renderedLegibleOutput(_ output: AVPlayerItemRenderedLegibleOutput, didOutputRenderedCaptionImages captionImages: [AVRenderedCaptionImage], forItemTime itemTime: CMTime)
```

## Parameters

`output`

The rendered legible output object.

`captionImages`

An array of [`AVRenderedCaptionImage`](/documentation/AVFoundation/AVRenderedCaptionImage) objects. A caption object consists of a <doc://com.apple.documentation/documentation/CoreVideo/cvpixelbuffer-q2e> and its associated position, in pixels, relative to the video frame.

`itemTime`

The item time at which to present the caption images.

## Discussion

---

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