---
title: Invalid Property Value
framework: assetslibrary
role: collectionGroup
role_heading: API Collection
path: assetslibrary/invalid-property-value
---

# Invalid Property Value

A constant to indicate that a property accessed by ALAsset/value(forProperty:) is invalid.

## See Also

### Constants

- [Property Keys](assetslibrary/property-keys.md)
- [Asset Types](assetslibrary/asset-types.md)