# Sandbox.SandboxToolExtensions.UpdateValue

```csharp
static System.Threading.Tasks.Task UpdateValue(Package package, string key, string value, System.Threading.CancellationToken token = null)
```

Update a value on this package

### Parameters

- `package` (`Package`)
- `key` (`string`)
- `value` (`string`)
- `token` (`System.Threading.CancellationToken`), default `null`

### Returns

`System.Threading.Tasks.Task`

Declared in [Sandbox.SandboxToolExtensions](/api/Sandbox.SandboxToolExtensions).
Assembly: `Sandbox.Tools`.