bin/wlan/wlancfg/meta/wlancfg.cmx

{
    "program": {
        "binary": "bin/app"
    },
    "sandbox": {
        "features": [
            "persistent-storage"
        ],
        "services": [
            "fuchsia.wlan.device.service.DeviceService"
        ],
        "system": [
            "data/wlan"
        ]
    }
}