voluptasmollitia/docs-exp/auth.confirmationresult.confirm.md

Monorepo for the Firebase JavaScript SDK

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[Home](./index.md) &gt; [@firebase/auth](./auth.md) &gt; [ConfirmationResult](./auth.confirmationresult.md) &gt; [confirm](./auth.confirmationresult.confirm.md)

## ConfirmationResult.confirm() method

Finishes a phone number sign-in, link, or reauthentication.

<b>Signature:</b>

```typescript
confirm(verificationCode: string): Promise<UserCredential>;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  verificationCode | string | The code that was sent to the user's mobile device. |

<b>Returns:</b>

Promise&lt;[UserCredential](./auth.usercredential.md)<!-- -->&gt;

## Example


```javascript
const confirmationResult = await signInWithPhoneNumber(auth, phoneNumber, applicationVerifier);
// Obtain verificationCode from the user.
const userCredential = await confirmationResult.confirm(verificationCode);

```