---
title: tracking
framework: foundation
role: symbol
role_heading: Type Property
path: foundation/runloop/mode/tracking
---

# tracking

The mode set while tracking in controls takes place.

## Declaration

```swift
static let tracking: RunLoop.Mode
```

## Discussion

Discussion You can use this mode to add timers that fire during tracking.

## See Also

### System Run Loop Modes

- [common](foundation/runloop/mode/common.md)
- [default](foundation/runloop/mode/default.md)
- [eventTracking](foundation/runloop/mode/eventtracking.md)
- [modalPanel](foundation/runloop/mode/modalpanel.md)