examples/ui/shadertoy/client/meta/shadertoy_client.cmx

{
  "program": {
    "binary": "bin/app"
  },
  "sandbox": {
    "services": [
        "fuchsia.examples.shadertoy.ShadertoyFactory",
        "fuchsia.tracelink.Registry",
        "fuchsia.ui.scenic.Scenic",
        "fuchsia.ui.viewsv1.ViewManager"
    ]
  }
}