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SDK Reference

Environment Variables

  • VROS_BUS: Director bus channel (default vros-bus)
  • VROS_EXTENSIONS_DIR: extension search roots (; separated on Windows)
  • VROS_LOG_DIR: override where logs are written
  • VROS_RUN_ID: run identifier shared across launched services (set by the Director)
  • VROS_FONT_PRESET / CATNET_FONT_PRESET: font preset shared across apps (set by the Director if not provided)

Overlay-specific (when using vros-overlay-builder standalone mode):

  • VROS_CONTROL_PIPE
  • VROS_EVENT_PIPE
  • VROS_COMMAND_PIPE
  • VROS_TRACKING_PIPE
  • VROS_RUNTIME (auto|openvr|openxr)
  • Extensions: <install>/extensions/<id>/extension.toml
  • Logs: <install>/logs/ (or VROS_LOG_DIR)