garnet/examples/intl/manager/meta/intl_property_manager.cmx

{
    "program": {
        "args": [
            "--set_initial_profile",
            "--locale_ids=en-US,nl-NL",
            "--timezone_ids=und-u-tz-uslax"
        ],
        "binary": "bin/intl_property_manager"
    },
    "sandbox": {
        "services": [
            "fuchsia.logger.LogSink",
            "fuchsia.sys.Environment",
            "fuchsia.sys.Launcher"
        ]
    }
}