Project: /docs/reference/js/_project.yaml
Book: /docs/reference/_book.yaml
page_type: reference

{% comment %}
DO NOT EDIT THIS FILE!
This is generated by the JS SDK team, and any local changes will be
overwritten. Changes should be made in the source code at
https://github.com/firebase/firebase-js-sdk
{% endcomment %}

# AppCheckToken interface
The token returned from an App Check provider.

<b>Signature:</b>

```typescript
export interface AppCheckToken 
```

## Properties

|  Property | Type | Description |
|  --- | --- | --- |
|  [expireTimeMillis](./app-check.appchecktoken.md#appchecktokenexpiretimemillis) | number | The local timestamp after which the token will expire. |
|  [token](./app-check.appchecktoken.md#appchecktokentoken) | string |  |

## AppCheckToken.expireTimeMillis

The local timestamp after which the token will expire.

<b>Signature:</b>

```typescript
readonly expireTimeMillis: number;
```

## AppCheckToken.token

<b>Signature:</b>

```typescript
readonly token: string;
```