PHImageResultIsInCloudKey
A key whose value indicates whether photo asset data is stored on the local device or must be downloaded from iCloud.
Declaration
let PHImageResultIsInCloudKey: StringDiscussion
This key provides information about an image loading result in the resultHandler block for methods listed in Requesting Images. The corresponding value is an NSNumber object containing a Boolean value.
If true, no image was provided, because the asset data must be downloaded from iCloud. To download the data, submit another request, and specify true for the isNetworkAccessAllowed option.