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# HMMutableCharacteristicThresholdRangeEvent

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

```
class HMMutableCharacteristicThresholdRangeEvent
```

## Topics

### Configuring a characteristic threshold event

[`var characteristic: HMCharacteristic`](/documentation/HomeKit/HMMutableCharacteristicThresholdRangeEvent/characteristic)

The characteristic associated with the event.

[`var thresholdRange: HMNumberRange`](/documentation/HomeKit/HMMutableCharacteristicThresholdRangeEvent/thresholdRange)

The range of the characteristic value that triggers the event.

## Relationships

### Conforms To

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

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

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

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

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

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

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

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

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

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

### Inherits From

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

---

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