The estimated number of assets in the asset collection.
- iOS 8+
- macOS 10.15+
- Mac Catalyst 13.0+
- tvOS 10+
This count may not match the current number of assets in the collection. To get the most recent count, fetch the collection’s assets with the
fetch method and read the
count property of the fetch result.
If asset count information is not available for the collection, this property’s value is NSNotFound.