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  "title" : "Ruler Marker Type Values"
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# Ruler Marker Type Values

Values that indicate the marker type of an element.

## Discussion

Use these values with an accessibility element’s [`markerType`](/documentation/AppKit/NSAccessibility-swift.struct/Attribute/markerType) property.

## Topics

### Constants

[`static let leftTabStop: NSAccessibility.RulerMarkerTypeValue`](/documentation/AppKit/NSAccessibility-swift.struct/RulerMarkerTypeValue/leftTabStop)

Left tab stop.

[`static let rightTabStop: NSAccessibility.RulerMarkerTypeValue`](/documentation/AppKit/NSAccessibility-swift.struct/RulerMarkerTypeValue/rightTabStop)

Right tab stop.

[`static let centerTabStop: NSAccessibility.RulerMarkerTypeValue`](/documentation/AppKit/NSAccessibility-swift.struct/RulerMarkerTypeValue/centerTabStop)

Center tab stop.

[`static let decimalTabStop: NSAccessibility.RulerMarkerTypeValue`](/documentation/AppKit/NSAccessibility-swift.struct/RulerMarkerTypeValue/decimalTabStop)

Decimal tab stop.

[`static let headIndent: NSAccessibility.RulerMarkerTypeValue`](/documentation/AppKit/NSAccessibility-swift.struct/RulerMarkerTypeValue/headIndent)

Head indent marker.

[`static let tailIndent: NSAccessibility.RulerMarkerTypeValue`](/documentation/AppKit/NSAccessibility-swift.struct/RulerMarkerTypeValue/tailIndent)

Tail indent marker.

[`static let firstLineIndent: NSAccessibility.RulerMarkerTypeValue`](/documentation/AppKit/NSAccessibility-swift.struct/RulerMarkerTypeValue/firstLineIndent)

First line indent marker.

[`static let unknown: NSAccessibility.RulerMarkerTypeValue`](/documentation/AppKit/NSAccessibility-swift.struct/RulerMarkerTypeValue/unknown)

Unknown marker type.


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