<!--
{
  "availability" : [
    "iOS: 12.0.0 -",
    "iPadOS: 12.0.0 -",
    "macCatalyst: 14.0.0 -",
    "macOS: 11.0.0 -",
    "visionOS: 1.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "AuthenticationServices",
  "identifier" : "/documentation/AuthenticationServices/ASCredentialServiceIdentifier/IdentifierType",
  "metadataVersion" : "0.1.0",
  "role" : "Enumeration",
  "symbol" : {
    "kind" : "Enumeration",
    "modules" : [
      "Authentication Services",
      "AuthenticationServices"
    ],
    "preciseIdentifier" : "c:@E@ASCredentialServiceIdentifierType"
  },
  "title" : "ASCredentialServiceIdentifier.IdentifierType"
}
-->

# ASCredentialServiceIdentifier.IdentifierType

Possible values for the service identifier type.

```
enum IdentifierType
```

## Topics

### Identifier types

[`ASCredentialServiceIdentifier.IdentifierType.URL`](/documentation/AuthenticationServices/ASCredentialServiceIdentifier/IdentifierType/URL)

A URL service identifier.

[`ASCredentialServiceIdentifier.IdentifierType.domain`](/documentation/AuthenticationServices/ASCredentialServiceIdentifier/IdentifierType/domain)

A domain service identifier.


---

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)