func init
	// checks installation Adobe Photoshop and adds references
	include("AdobePhotoshop")

	// make methods for properties
	sys._prop_init('AutoUpdateOpenDocuments', 1, 1, 104, this.instance())
	sys._prop_init('BeepWhenDone', 1, 1, 104, this.instance())
	sys._prop_init('.ColorPicker', 1, 1, 0, this.instance())
	sys._prop_init('.RulerUnits', 1, 1, 0, this.instance())
	sys._prop_init('.TypeUnits', 1, 1, 0, this.instance())
end

func instance(data)
	return(d("Photoshop", 20) + '.Preferences')
end