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# NSURLCredentialStorageRemoveSynchronizableCredentials

The corresponding value is an `NSNumber` object representing a Boolean value that indicates whether credentials which contain the [`URLCredential.Persistence.synchronizable`](/documentation/Foundation/URLCredential/Persistence-swift.enum/synchronizable) attribute should be removed.

```
let NSURLCredentialStorageRemoveSynchronizableCredentials: String
```

## Discussion

If the key is missing or the value is `@NO`, then no attempt will be made to remove such a credential.

---

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