---
title: spaceToSpaceKey
framework: sensorkit
role: symbol
role_heading: Instance Property
path: sensorkit/srkeyboardmetrics/spacetospacekey
---

# spaceToSpaceKey

The duration between touch up of the Space bar and touch down of a sequential Space bar.

## Declaration

```swift
var spaceToSpaceKey: SRKeyboardMetrics.ProbabilityMetric<UnitDuration> { get }
```

## See Also

### Timing Key Use

- [SRKeyboardMetrics.ProbabilityMetric](sensorkit/srkeyboardmetrics/probabilitymetric.md)
- [touchDownUp](sensorkit/srkeyboardmetrics/touchdownup.md)
- [touchUpDown](sensorkit/srkeyboardmetrics/touchupdown.md)
- [spaceTouchDownUp](sensorkit/srkeyboardmetrics/spacetouchdownup.md)
- [deleteTouchDownUp](sensorkit/srkeyboardmetrics/deletetouchdownup.md)
- [shortWordCharKeyTouchDownUp](sensorkit/srkeyboardmetrics/shortwordcharkeytouchdownup.md)
- [touchDownDown](sensorkit/srkeyboardmetrics/touchdowndown.md)
- [charKeyToPrediction](sensorkit/srkeyboardmetrics/charkeytoprediction.md)
- [shortWordCharKeyToCharKey](sensorkit/srkeyboardmetrics/shortwordcharkeytocharkey.md)
- [charKeyToAnyTapKey](sensorkit/srkeyboardmetrics/charkeytoanytapkey.md)
- [anyTapToCharKey](sensorkit/srkeyboardmetrics/anytaptocharkey.md)
- [spaceToCharKey](sensorkit/srkeyboardmetrics/spacetocharkey.md)
- [charKeyToSpaceKey](sensorkit/srkeyboardmetrics/charkeytospacekey.md)
- [spaceToDeleteKey](sensorkit/srkeyboardmetrics/spacetodeletekey.md)
- [deleteToSpaceKey](sensorkit/srkeyboardmetrics/deletetospacekey.md)