<!--
{
  "availability" : [
    "iOS: 18.0.0 -",
    "iPadOS: 18.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "ContactProvider",
  "identifier" : "/documentation/ContactProvider/ContactProviderError/enumerationTimeout",
  "metadataVersion" : "0.1.0",
  "role" : "Case",
  "symbol" : {
    "kind" : "Case",
    "modules" : [
      "ContactProvider"
    ],
    "preciseIdentifier" : "s:15ContactProvider0aB5ErrorO18enumerationTimeoutyA2CmF"
  },
  "title" : "ContactProviderError.enumerationTimeout"
}
-->

# ContactProviderError.enumerationTimeout

The extension enumeration timed out.

```
case enumerationTimeout
```

## Discussion

This can occur if the [`ContactItemEnumerator`](/documentation/ContactProvider/ContactItemEnumerator) takes too long to enumerate a batch of content or changes.

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)