> ## 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.

# ApprovalMetadata.Passkey

> Kotlin Data Class

**Data Class**

```kotlin theme={null}
data class Passkey(val authenticatorData: String, val clientDataJSON: String, val challengeIndex: Int = 23, val typeIndex: Int = 1, val userVerificationRequired: Boolean = true) : ApprovalMetadata
```

## Constructors

```kotlin theme={null}
constructor(authenticatorData: String, clientDataJSON: String, challengeIndex: Int = 23, typeIndex: Int = 1, userVerificationRequired: Boolean = true)
```

## Properties

| Property                   | Type      | Description |
| -------------------------- | --------- | ----------- |
| `authenticatorData`        | `String`  | -           |
| `challengeIndex`           | `Int`     | -           |
| `clientDataJSON`           | `String`  | -           |
| `typeIndex`                | `Int`     | -           |
| `userVerificationRequired` | `Boolean` | -           |