---
title: HMServiceTypeSecuritySystem
framework: homekit
role: symbol
role_heading: Global Variable
path: homekit/hmservicetypesecuritysystem
---

# HMServiceTypeSecuritySystem

A security system service.

## Declaration

```swift
let HMServiceTypeSecuritySystem: String
```

## See Also

### Safety and Security

- [HMServiceTypeMotionSensor](homekit/hmservicetypemotionsensor.md)
- [HMServiceTypeOccupancySensor](homekit/hmservicetypeoccupancysensor.md)
- [HMServiceTypeContactSensor](homekit/hmservicetypecontactsensor.md)