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# Asset Types

Constants that specify the type of an asset.

## Discussion

These constants represent the values you may get back for the [`ALAssetPropertyType`](/documentation/AssetsLibrary/ALAssetPropertyType) property.

## Topics

### Constants

[`extern NSString * const ALAssetTypePhoto;`](/documentation/AssetsLibrary/ALAssetTypePhoto)

Specifies that the asset is a photo.

[`extern NSString * const ALAssetTypeVideo;`](/documentation/AssetsLibrary/ALAssetTypeVideo)

Specifies that the asset is a video.

[`extern NSString * const ALAssetTypeUnknown;`](/documentation/AssetsLibrary/ALAssetTypeUnknown)

Specifies that the asset’s type cannot be determined.


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