## warnIfNewerVersionAvailable() function

Checks if a newer version of Medplum is available and logs a warning if so.

**Signature:**
```typescript
export declare function warnIfNewerVersionAvailable(appName: string, params?: Record<string, string>): Promise<void>;
```

## Parameters

| Parameter | Type | Description |
| --- | --- | --- |
| appName | string | The name of the app to check the version for. |
| params | Record<string, string> | _(Optional)_ An optional list of key-value pairs to be appended to the URL query string. |

**Returns:**
Promise<void>