features/collection/powershell/feature.json

{
    "id": "powershell",
    "name": "PowerShell",
    "options": {
        "version": {
            "type": "string",
            "proposals": ["latest", "7.1"],
            "default": "latest",
            "description": "Select or enter a version of PowerShell."
        }
    },
    "install": {
        "app": "",
        "file": "install.sh"
    }
}