Spice syntax for variants with argument

I am currently on:

    "@greenlabs/ppx-spice": "^0.1.15",
    "@rescript/react": "^0.11.0",
    "react": "^18.2.0",
    "react-client": "^1.0.1",
    "react-dom": "^18.2.0"
    "rescript": "10.1",