---
title: capabilityMask
framework: appkit
role: symbol
role_heading: Instance Property
path: appkit/nsevent/capabilitymask
---

# capabilityMask

A mask that indicates the capabilities of the tablet device that generated this event.

## Declaration

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

## Discussion

Discussion These bits are vendor-defined. This property is valid only for mouse events with a subtype of NSTabletProximityEventSubtype and for events of type NSTabletProximity; otherwise, it is set to 0.

## See Also

### Getting tablet proximity information

- [deviceID](appkit/nsevent/deviceid.md)
- [isEnteringProximity](appkit/nsevent/isenteringproximity.md)
- [pointingDeviceID](appkit/nsevent/pointingdeviceid.md)
- [pointingDeviceSerialNumber](appkit/nsevent/pointingdeviceserialnumber.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)