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

# LinkAuthMethod

```ts theme={null}
type LinkAuthMethod = {
  isLinked: boolean;
  method: AuthMethod;
  userAlias: string;
};
```

Representation of auth method

## See

* [LinkAuthState](/sdks/cdp-sdks-v2/frontend/@coinbase/cdp-react/Interfaces/LinkAuthState)
* [LinkAuth](/sdks/cdp-sdks-v2/frontend/@coinbase/cdp-react/Components/LinkAuth)

## Properties

| Property                         | Type                                                                                   | Description                                                                         |
| -------------------------------- | -------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------- |
| <a id="islinked" /> `isLinked`   | `boolean`                                                                              | Whether the user has this auth method linked to their account                       |
| <a id="method" /> `method`       | [`AuthMethod`](/sdks/cdp-sdks-v2/frontend/@coinbase/cdp-react/Type-Aliases/AuthMethod) | The auth method                                                                     |
| <a id="useralias" /> `userAlias` | `string`                                                                               | The user's identifier for this auth method (i.e. email address, phone number, etc.) |