garnet/examples/ui/sketchy/meta/sketchy.cmx

{
    "program": {
        "binary": "bin/app"
    },
    "sandbox": {
        "services": [
            "fuchsia.tracelink.Registry",
            "fuchsia.ui.scenic.Scenic",
            "fuchsia.ui.sketchy.Canvas"
        ]
    }
}