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  "title" : "Image Result Info Keys"
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# Image Result Info Keys

Keys identifying information about an image loading result, used in the `resultHandler` block with image request methods.

## Topics

### Constants

[`PHImageResultIsInCloudKey`](/documentation/Photos/PHImageResultIsInCloudKey)

A key whose value indicates whether photo asset data is stored on the local device or must be downloaded from iCloud.

[`PHImageResultIsDegradedKey`](/documentation/Photos/PHImageResultIsDegradedKey)

A key whose value indicates whether the result image is a low-quality substitute for the requested image.

[`PHImageResultRequestIDKey`](/documentation/Photos/PHImageResultRequestIDKey)

A key whose value is a unique identifier for the image request.

[`PHImageCancelledKey`](/documentation/Photos/PHImageCancelledKey)

A key whose value indicates whether the image request was canceled.

[`PHImageErrorKey`](/documentation/Photos/PHImageErrorKey)

A key whose value is an error that occurred when Photos attempted to load the image.


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