---
title: HMMutableSignificantTimeEvent
framework: homekit
role: symbol
role_heading: Class
path: homekit/hmmutablesignificanttimeevent
---

# HMMutableSignificantTimeEvent

A mutable event that fires at the specified temporal offset to a significant event.

## Declaration

```swift
class HMMutableSignificantTimeEvent
```

## Topics

### Configuring a significant time event

- [significantEvent](homekit/hmmutablesignificanttimeevent/significantevent.md)
- [offset](homekit/hmmutablesignificanttimeevent/offset.md)

## Relationships

### Inherits From

- [HMSignificantTimeEvent](homekit/hmsignificanttimeevent.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

### Significant events

- [HMSignificantEvent](homekit/hmsignificantevent.md)
- [HMSignificantTimeEvent](homekit/hmsignificanttimeevent.md)