voluptasmollitia/docs-exp/auth.user.refreshtoken.md

Monorepo for the Firebase JavaScript SDK

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[Home](./index.md) &gt; [@firebase/auth](./auth.md) &gt; [User](./auth.user.md) &gt; [refreshToken](./auth.user.refreshtoken.md)

## User.refreshToken property

Refresh token used to reauthenticate the user. Avoid using this directly and prefer [User.getIdToken()](./auth.user.getidtoken.md) to refresh the ID token instead.

<b>Signature:</b>

```typescript
readonly refreshToken: string;
```