## fetchLatestVersionString() function

Fetches the latest Medplum release version string.

**Signature:**

```typescript
export declare function fetchLatestVersionString(appName: string): Promise<MedplumSemver>;
```

## Parameters

| Parameter | Type   | Description                                          |
|-----------|--------|------------------------------------------------------|
| appName   | string | The name of the app to fetch the latest version for. |

**Returns:**

Promise< [MedplumSemver](/content/docs/sdk/core.medplumsemver) >

A version string corresponding to the latest Medplum release version.