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# MTRGroupKeyManagementClusterGroupKeySetStruct

```
class MTRGroupKeyManagementClusterGroupKeySetStruct
```

## Topics

### Instance Properties

[`epochKey0`](/documentation/Matter/MTRGroupKeyManagementClusterGroupKeySetStruct/epochKey0)

[`epochKey1`](/documentation/Matter/MTRGroupKeyManagementClusterGroupKeySetStruct/epochKey1)

[`epochKey2`](/documentation/Matter/MTRGroupKeyManagementClusterGroupKeySetStruct/epochKey2)

[`epochStartTime0`](/documentation/Matter/MTRGroupKeyManagementClusterGroupKeySetStruct/epochStartTime0)

[`epochStartTime1`](/documentation/Matter/MTRGroupKeyManagementClusterGroupKeySetStruct/epochStartTime1)

[`epochStartTime2`](/documentation/Matter/MTRGroupKeyManagementClusterGroupKeySetStruct/epochStartTime2)

[`groupKeySecurityPolicy`](/documentation/Matter/MTRGroupKeyManagementClusterGroupKeySetStruct/groupKeySecurityPolicy)

[`groupKeySetID`](/documentation/Matter/MTRGroupKeyManagementClusterGroupKeySetStruct/groupKeySetID)

## Relationships

### Conforms To

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

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

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

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

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

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

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

### Inherits From

[`NSObject-swift.class`](/documentation/ObjectiveC/NSObject-swift.class)

---

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