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# URLCache.StoragePolicy

These constants specify the caching strategy used by an [`CachedURLResponse`](/documentation/Foundation/CachedURLResponse) object.

```
enum StoragePolicy
```

## Topics

### Policies

[`URLCache.StoragePolicy.allowed`](/documentation/Foundation/URLCache/StoragePolicy/allowed)

Storage in [`URLCache`](/documentation/Foundation/URLCache) is allowed without restriction.

[`URLCache.StoragePolicy.allowedInMemoryOnly`](/documentation/Foundation/URLCache/StoragePolicy/allowedInMemoryOnly)

Storage in [`URLCache`](/documentation/Foundation/URLCache) is allowed; however storage should be restricted to memory only.

[`URLCache.StoragePolicy.notAllowed`](/documentation/Foundation/URLCache/StoragePolicy/notAllowed)

Storage in [`URLCache`](/documentation/Foundation/URLCache) is not allowed in any fashion, either in memory or on disk.


---

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