---
title: isAbsoluteAltitudeAvailable()
framework: coremotion
role: symbol
role_heading: Type Method
path: coremotion/cmaltimeter/isabsolutealtitudeavailable()
---

# isAbsoluteAltitudeAvailable()

Returns a Boolean value indicating whether the current device reports changes in the absolute altitude.

## Declaration

```swift
class func isAbsoluteAltitudeAvailable() -> Bool
```

## Discussion

Discussion Use this method to determine if altitude updates are available before calling the startAbsoluteAltitudeUpdates(to:withHandler:) method. note: Absolute altitude is only available on iPhone 12 and later and Apple Watch 6 or SE and later.

## See Also

### Determining Altitude Availability

- [isRelativeAltitudeAvailable()](coremotion/cmaltimeter/isrelativealtitudeavailable().md)
- [authorizationStatus()](coremotion/cmaltimeter/authorizationstatus().md)
- [CMAuthorizationStatus](coremotion/cmauthorizationstatus.md)