---
title: HMMutableCharacteristicThresholdRangeEvent
framework: homekit
role: symbol
role_heading: Class
path: homekit/hmmutablecharacteristicthresholdrangeevent
---

# HMMutableCharacteristicThresholdRangeEvent

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

## Declaration

```swift
class HMMutableCharacteristicThresholdRangeEvent
```

## Topics

### Configuring a characteristic threshold event

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

## Relationships

### Inherits From

- [HMCharacteristicThresholdRangeEvent](homekit/hmcharacteristicthresholdrangeevent.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)
- [HMCharacteristicThresholdRangeEvent](homekit/hmcharacteristicthresholdrangeevent.md)