---
title: HMCharacteristicTypeLockMechanismLastKnownAction
framework: homekit
role: symbol
role_heading: Global Variable
path: homekit/hmcharacteristictypelockmechanismlastknownaction
---

# HMCharacteristicTypeLockMechanismLastKnownAction

The last known action of the locking mechanism.

## Declaration

```swift
let HMCharacteristicTypeLockMechanismLastKnownAction: String
```

## Discussion

Discussion The corresponding value is one of the constants in the HMCharacteristicValueLockMechanismLastKnownAction enumeration.

## Topics

### Values

- [HMCharacteristicValueLockMechanismLastKnownAction](homekit/hmcharacteristicvaluelockmechanismlastknownaction.md)

## See Also

### Locks and openers

- [HMCharacteristicTypeLockManagementAutoSecureTimeout](homekit/hmcharacteristictypelockmanagementautosecuretimeout.md)
- [HMCharacteristicTypeLockManagementControlPoint](homekit/hmcharacteristictypelockmanagementcontrolpoint.md)
- [HMCharacteristicTypeLockPhysicalControls](homekit/hmcharacteristictypelockphysicalcontrols.md)
- [HMCharacteristicTypeMotionDetected](homekit/hmcharacteristictypemotiondetected.md)
- [HMCharacteristicTypeCurrentLockMechanismState](homekit/hmcharacteristictypecurrentlockmechanismstate.md)
- [HMCharacteristicTypeTargetLockMechanismState](homekit/hmcharacteristictypetargetlockmechanismstate.md)
- [HMCharacteristicTypeRemoteKey](homekit/hmcharacteristictyperemotekey.md)