voluptasmollitia/docs-exp/auth.multifactoruser.getsession.md

Monorepo for the Firebase JavaScript SDK

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[Home](./index.md) &gt; [@firebase/auth](./auth.md) &gt; [MultiFactorUser](./auth.multifactoruser.md) &gt; [getSession](./auth.multifactoruser.getsession.md)

## MultiFactorUser.getSession() method

Returns the session identifier for a second factor enrollment operation. This is used to identify the user trying to enroll a second factor.

<b>Signature:</b>

```typescript
getSession(): Promise<MultiFactorSession>;
```
<b>Returns:</b>

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

The promise that resolves with the [MultiFactorSession](./auth.multifactorsession.md)<!-- -->.

## Example


```javascript
const multiFactorUser = multiFactor(auth.currentUser);
const multiFactorSession = await multiFactorUser.getSession();

// Send verification code.
const phoneAuthProvider = new PhoneAuthProvider(auth);
const phoneInfoOptions = {
  phoneNumber: phoneNumber,
  session: multiFactorSession
};
const verificationId = await phoneAuthProvider.verifyPhoneNumber(phoneInfoOptions, appVerifier);

// Obtain verification code from user.
const phoneAuthCredential = PhoneAuthProvider.credential(verificationId, verificationCode);
const multiFactorAssertion = PhoneMultiFactorGenerator.assertion(phoneAuthCredential);
await multiFactorUser.enroll(multiFactorAssertion);

```