---
title: kCLHeadingFilterNone
framework: corelocation
role: symbol
role_heading: Global Variable
path: corelocation/kclheadingfilternone
---

# kCLHeadingFilterNone

A constant indicating that all header values should be reported.

## Declaration

```swift
let kCLHeadingFilterNone: CLLocationDegrees
```

## Discussion

Discussion Use this constant to indicate that any change to the heading, regardless of how small, should be reported.

## See Also

### Running the heading service

- [startUpdatingHeading()](corelocation/cllocationmanager/startupdatingheading().md)
- [stopUpdatingHeading()](corelocation/cllocationmanager/stopupdatingheading().md)
- [dismissHeadingCalibrationDisplay()](corelocation/cllocationmanager/dismissheadingcalibrationdisplay().md)
- [headingFilter](corelocation/cllocationmanager/headingfilter.md)
- [CLLocationDegrees](corelocation/cllocationdegrees.md)
- [headingOrientation](corelocation/cllocationmanager/headingorientation.md)
- [CLDeviceOrientation](corelocation/cldeviceorientation.md)