type: object
description: >-
  This dimension identifies the software system of the device on which the view occurred.
properties:
  android:
    $ref: '../properties/number_views.yaml'
  apple_tvos:
    $ref: '../properties/number_views.yaml'
  bada:
    $ref: '../properties/number_views.yaml'
  blackberry:
    $ref: '../properties/number_views.yaml'
  chrome_os:
    $ref: '../properties/number_views.yaml'
  chromecast:
    $ref: '../properties/number_views.yaml'
  fire_os:
    $ref: '../properties/number_views.yaml'
  firefox:
    $ref: '../properties/number_views.yaml'
  hiptop:
    $ref: '../properties/number_views.yaml'
  ios:
    $ref: '../properties/number_views.yaml'
  kaios:
    $ref: '../properties/number_views.yaml'
  linux:
    $ref: '../properties/number_views.yaml'
  mac:
    $ref: '../properties/number_views.yaml'
  meego:
    $ref: '../properties/number_views.yaml'
  nintendo_3ds:
    $ref: '../properties/number_views.yaml'
  nintendo_switch:
    $ref: '../properties/number_views.yaml'
  other:
    $ref: '../properties/number_views.yaml'
  playstation:
    $ref: '../properties/number_views.yaml'
  playstation_vita:
    $ref: '../properties/number_views.yaml'
  realmedia:
    $ref: '../properties/number_views.yaml'
  roku:
    $ref: '../properties/number_views.yaml'
  smart_tv:
    $ref: '../properties/number_views.yaml'
  symbian:
    $ref: '../properties/number_views.yaml'
  tizen:
    $ref: '../properties/number_views.yaml'
  unknown:
    $ref: '../properties/number_views.yaml'
  web_os:
    $ref: '../properties/number_views.yaml'
  wii:
    $ref: '../properties/number_views.yaml'
  windows:
    $ref: '../properties/number_views.yaml'
  windows_mobile:
    $ref: '../properties/number_views.yaml'
  xbox:
    $ref: '../properties/number_views.yaml'
  vidaa:
    $ref: '../properties/number_views.yaml'