List of allowed indicator modules to use for the lightdm gtk greeter panel. Built-in indicators include “~a11y”, “~language”, “~session”, “~power”, “~clock”, “~host”, “~spacer”. Unity indicators can be represented by short name (e.g. “sound”, “power”), service file name, or absolute path. If set to null the default indicators are used.

null

[
  "~host"
  "~spacer"
  "~clock"
  "~spacer"
  "~session"
  "~language"
  "~a11y"
  "~power"
]