voluptasmollitia/docs-exp/auth.getadditionaluserinfo.md

Monorepo for the Firebase JavaScript SDK

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[Home](./index.md) &gt; [@firebase/auth](./auth.md) &gt; [getAdditionalUserInfo](./auth.getadditionaluserinfo.md)

## getAdditionalUserInfo() function

Extracts provider specific [AdditionalUserInfo](./auth.additionaluserinfo.md) for the given credential.

<b>Signature:</b>

```typescript
export declare function getAdditionalUserInfo(userCredential: UserCredential): AdditionalUserInfo | null;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  userCredential | [UserCredential](./auth.usercredential.md) | The user credential. |

<b>Returns:</b>

[AdditionalUserInfo](./auth.additionaluserinfo.md) \| null