# Example Fire and Forget Extension

### Package.json

{% hint style="warning" %}
Note: do **not** name any file `main.swift` or `main.cs`
{% endhint %}

```json
{
  "name": "positron-plugin-toast",
  "version": "1.0.0",
  "positron": {
    "command": "toast:show",
    "className": "ToastPlugin",
    "platforms": {
      "darwin": "mac/Toast.swift",
      "win32": "win/Toast.cs"
    }
  }
}
```

### mac/Toast.swift

{% code lineNumbers="true" %}

```swift
import Cocoa

public class ToastPlugin {
        static func handle(windowId: Int, args: [String]) {
        let alert = NSAlert()
        alert.messageText = args.first ?? "Hello from Positron!"
        alert.runModal()
    }
}
```

{% endcode %}

### win/Toast.cs

{% code lineNumbers="true" %}

```csharp
using System.Collections.Generic;
using System.Threading.Tasks;
using System.Windows;

namespace PositronWindows
{
    public static class ToastPlugin
    {
        public static void Handle(int windowId, List<string> args)
        {
            string message = args.Count > 0 ? args[0] : "Hello from Positron!";
            
            Task.Run(() => 
            {
                MessageBox.Show(message, "Notification");
            });
        }
    }
}
```

{% endcode %}


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