> ## Documentation Index
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# DelegatedSigner.ExternalWallet

> Kotlin Data Class

**Data Class**

```kotlin theme={null}
data class ExternalWallet(val address: String, val expiresAt: Long? = null) : DelegatedSigner
```

## Constructors

```kotlin theme={null}
constructor(address: String, expiresAt: Long? = null)
```

## Properties

| Property    | Type     | Description                                                                                                            |
| ----------- | -------- | ---------------------------------------------------------------------------------------------------------------------- |
| `address`   | `String` | -                                                                                                                      |
| `expiresAt` | `Long?`  | Optional expiration timestamp in milliseconds since Unix epoch. If set, the delegated signer will expire at this time. |