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# HMMutableLocationEvent

A mutable event that is evaluated based on entry to or exit from a region.

```
class HMMutableLocationEvent
```

## Topics

### Controlling the Region

[`var region: CLRegion?`](/documentation/HomeKit/HMMutableLocationEvent/region)

The region on which events are triggered.

## Relationships

### Conforms To

[`CVarArg`](/documentation/Swift/CVarArg)

[`Sendable`](/documentation/Swift/Sendable)

[`CustomDebugStringConvertible`](/documentation/Swift/CustomDebugStringConvertible)

[`NSObjectProtocol`](/documentation/ObjectiveC/NSObjectProtocol)

[`Hashable`](/documentation/Swift/Hashable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`Equatable`](/documentation/Swift/Equatable)

[`NSMutableCopying`](/documentation/Foundation/NSMutableCopying)

[`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible)

[`NSCopying`](/documentation/Foundation/NSCopying)

### Inherits From

[`HMLocationEvent`](/documentation/HomeKit/HMLocationEvent)

---

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