---
title: region
framework: homekit
role: symbol
role_heading: Instance Property
path: homekit/hmlocationevent/region
---

# region

The region on which events are triggered.

## Declaration

```swift
var region: CLRegion? { get }
```

## Discussion

Discussion The event is triggered based on the values of the notifyOnEntry and notifyOnExit properties. This property is nil when an application is not authorized for location services.