veritatisdoloremque/docs-exp/auth-types.confirmationresult.verificationid.md

Monorepo for the Firebase JavaScript SDK

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[Home](./index.md) &gt; [@firebase/auth-types](./auth-types.md) &gt; [ConfirmationResult](./auth-types.confirmationresult.md) &gt; [verificationId](./auth-types.confirmationresult.verificationid.md)

## ConfirmationResult.verificationId property

The phone number authentication operation's verification ID.

<b>Signature:</b>

```typescript
readonly verificationId: string;
```

## Remarks

This can be used along with the verification code to initialize a [PhoneAuthCredential](./auth-types.phoneauthcredential.md)<!-- -->.