---
title: pointingDeviceSerialNumber
framework: appkit
role: symbol
role_heading: Instance Property
path: appkit/nsevent/pointingdeviceserialnumber
---

# pointingDeviceSerialNumber

The vendor-assigned serial number of a pointing device.

## Declaration

```swift
var pointingDeviceSerialNumber: Int { get }
```

## Discussion

Discussion Devices of different types, such as a puck and a pen, may have the same serial number. This property is valid for mouse events with subtype NSTabletProximityEventSubtype or an event of type NSTabletProximity.

## See Also

### Getting tablet proximity information

- [capabilityMask](appkit/nsevent/capabilitymask.md)
- [deviceID](appkit/nsevent/deviceid.md)
- [isEnteringProximity](appkit/nsevent/isenteringproximity.md)
- [pointingDeviceID](appkit/nsevent/pointingdeviceid.md)
- [pointingDeviceType](appkit/nsevent/pointingdevicetype-swift.property.md)
- [NSEvent.PointingDeviceType](appkit/nsevent/pointingdevicetype-swift.enum.md)
- [systemTabletID](appkit/nsevent/systemtabletid.md)
- [tabletID](appkit/nsevent/tabletid.md)
- [uniqueID](appkit/nsevent/uniqueid.md)
- [vendorID](appkit/nsevent/vendorid.md)
- [vendorPointingDeviceType](appkit/nsevent/vendorpointingdevicetype.md)