---
title: HMCharacteristicTypeOutletInUse
framework: homekit
role: symbol
role_heading: Global Variable
path: homekit/hmcharacteristictypeoutletinuse
---

# HMCharacteristicTypeOutletInUse

The state of an outlet.

## Declaration

```swift
let HMCharacteristicTypeOutletInUse: String
```

## Discussion

Discussion The corresponding value is a Boolean which is set to true when the outlet is in use, and false otherwise.

## See Also

### Power and switches

- [HMCharacteristicTypeBatteryLevel](homekit/hmcharacteristictypebatterylevel.md)
- [HMCharacteristicTypeChargingState](homekit/hmcharacteristictypechargingstate.md)
- [HMCharacteristicTypeContactState](homekit/hmcharacteristictypecontactstate.md)
- [HMCharacteristicTypePowerState](homekit/hmcharacteristictypepowerstate.md)
- [HMCharacteristicTypeStatusLowBattery](homekit/hmcharacteristictypestatuslowbattery.md)
- [HMCharacteristicTypeOutputState](homekit/hmcharacteristictypeoutputstate.md)
- [HMCharacteristicTypeInputEvent](homekit/hmcharacteristictypeinputevent.md)
- [HMCharacteristicTypePowerModeSelection](homekit/hmcharacteristictypepowermodeselection.md)