---
title: HMCharacteristicThresholdRangeEvent
framework: homekit
role: symbol
role_heading: Class
path: homekit/hmcharacteristicthresholdrangeevent
---

# HMCharacteristicThresholdRangeEvent

An event that triggers when the value of a characteristic is within a specified range.

## Declaration

```swift
class HMCharacteristicThresholdRangeEvent
```

## Topics

### Creating a characteristic threshold range event

- [init(characteristic:thresholdRange:)](homekit/hmcharacteristicthresholdrangeevent/init(characteristic:thresholdrange:).md)

### Inspecting a characteristic threshold event

- [characteristic](homekit/hmcharacteristicthresholdrangeevent/characteristic.md)
- [thresholdRange](homekit/hmcharacteristicthresholdrangeevent/thresholdrange.md)

## Relationships

### Inherits From

- [HMEvent](homekit/hmevent.md)

### Inherited By

- [HMMutableCharacteristicThresholdRangeEvent](homekit/hmmutablecharacteristicthresholdrangeevent.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSCopying](foundation/nscopying.md)
- [NSMutableCopying](foundation/nsmutablecopying.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Characteristic ranges

- [HMNumberRange](homekit/hmnumberrange.md)
- [HMMutableCharacteristicThresholdRangeEvent](homekit/hmmutablecharacteristicthresholdrangeevent.md)