> ## Documentation Index
> Fetch the complete documentation index at: https://docs.crossmint.com/llms.txt
> Use this file to discover all available pages before exploring further.

# PublicKeyCredentialJSON

> Swift Type Alias

**Type Alias**

Specification reference: [https://w3c.github.io/webauthn/#typedefdef-publickeycredentialjson](https://w3c.github.io/webauthn/#typedefdef-publickeycredentialjson)

```swift theme={null}
typealias PublicKeyCredentialJSON = Either<RegistrationResponseJSON, AuthenticationResponseJSON>
```