{
  "deviceVendor": "Oculus VR",
  "deviceName": "Oculus Rift",
  "author": "Kevin M. Godby <kevin@godby.org>",
  "version": 1,
  "lastModified": "2014-12-20T20:35:13Z",
  "index": 0,
  "interfaces": {
    "tracker": {
      "count": 3,
      "position": true,
      "orientation": true
    },
    "analog": {
      "count": 10,
      "traits": [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}]
    }
  },
  "semantic": {
    "hmd": {
      "$target": "tracker/0",
      "accelerometer": {
        "x": "analog/0",
        "y": "analog/1",
        "z": "analog/2"
      },
      "gyroscope": {
        "x": "analog/3",
        "y": "analog/4",
        "z": "analog/5"
      },
      "magnetometer": {
        "x": "analog/6",
        "y": "analog/7",
        "z": "analog/8"
      },
      "temperature": "analog/9"
    },
    "camera": {
      "$target": "tracker/1"
    },
    "leveled_camera": {
      "$target": "tracker/2"
    }
  }
}

{
  "deviceVendor": "Oculus VR",
  "deviceName": "Oculus Rift",
  "author": "Kevin M. Godby <kevin@godby.org>",
  "version": 1,
  "lastModified": "2014-12-20T20:35:13Z",
  "index": 0,
  "interfaces": {
    "tracker": {
      "count": 3,
      "position": true,
      "orientation": true
    },
    "analog": {
      "count": 10,
      "traits": [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}]
    }
  },
  "semantic": {
    "hmd": {
      "$target": "tracker/0",
      "accelerometer": {
        "x": "analog/0",
        "y": "analog/1",
        "z": "analog/2"
      },
      "gyroscope": {
        "x": "analog/3",
        "y": "analog/4",
        "z": "analog/5"
      },
      "magnetometer": {
        "x": "analog/6",
        "y": "analog/7",
        "z": "analog/8"
      },
      "temperature": "analog/9"
    },
    "camera": {
      "$target": "tracker/1"
    },
    "leveled_camera": {
      "$target": "tracker/2"
    }
  },
  "automaticAliases": {
    "/me/head": "semantic/hmd"
  }
}

Add an automatic alias for /me/head to descriptor
Add an automatic alias for /me/head to descriptor
