veritatisdoloremque/docs-exp/auth-types.phonemultifactorgenerator.md

Monorepo for the Firebase JavaScript SDK

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[Home](./index.md) &gt; [@firebase/auth-types](./auth-types.md) &gt; [PhoneMultiFactorGenerator](./auth-types.phonemultifactorgenerator.md)

## PhoneMultiFactorGenerator class

Provider for generating a [PhoneMultiFactorAssertion](./auth-types.phonemultifactorassertion.md)<!-- -->.

<b>Signature:</b>

```typescript
export abstract class PhoneMultiFactorGenerator 
```

## Properties

|  Property | Modifiers | Type | Description |
|  --- | --- | --- | --- |
|  [FACTOR\_ID](./auth-types.phonemultifactorgenerator.factor_id.md) | <code>static</code> | [ProviderId](./auth-types.providerid.md) | The identifier of the phone second factor: [ProviderId.PHONE](./auth-types.providerid.phone.md)<!-- -->. |

## Methods

|  Method | Modifiers | Description |
|  --- | --- | --- |
|  [assertion(phoneAuthCredential)](./auth-types.phonemultifactorgenerator.assertion.md) | <code>static</code> | Provides a [PhoneMultiFactorAssertion](./auth-types.phonemultifactorassertion.md) to confirm ownership of the phone second factor. |