## isMedplumAccessToken() function

Returns true if the access token was issued by a Medplum server.

**Signature:**

```typescript
export declare function isMedplumAccessToken(accessToken: string): boolean;
```

## Parameters

| Parameter   | Type   | Description                                                              |
|-------------|--------|--------------------------------------------------------------------------|
| accessToken | string | An access token of unknown origin.                                       |

**Returns:**

boolean

True if the access token was issued by a Medplum server.