voluptasmollitia/docs-exp/auth.autherror.md

Monorepo for the Firebase JavaScript SDK

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[Home](./index.md) &gt; [@firebase/auth](./auth.md) &gt; [AuthError](./auth.autherror.md)

## AuthError interface

Interface for an Auth error.

<b>Signature:</b>

```typescript
export interface AuthError extends FirebaseError 
```
<b>Extends:</b> FirebaseError

## Properties

|  Property | Type | Description |
|  --- | --- | --- |
|  [appName](./auth.autherror.appname.md) | string | The name of the Firebase App which triggered this error. |
|  [email?](./auth.autherror.email.md) | string | <i>(Optional)</i> The email of the user's account, used for sign-in/linking. |
|  [phoneNumber?](./auth.autherror.phonenumber.md) | string | <i>(Optional)</i> The phone number of the user's account, used for sign-in/linking. |
|  [tenantid?](./auth.autherror.tenantid.md) | string | <i>(Optional)</i> The tenant ID being used for sign-in/linking. |