src/virtualization/packages/meta/guest_package.cmx

{
    "program": {
        "binary": "bin/app"
    },
    "runner": "fuchsia-pkg://fuchsia.com/guest_runner#meta/guest_runner.cmx",
    "sandbox": {
        "services": [
            "fuchsia.virtualization.vmm.LaunchInfoProvider"
        ]
    }
}