---
title: isPrimaryService
framework: homekit
role: symbol
role_heading: Instance Property
path: homekit/hmservice/isprimaryservice
---

# isPrimaryService

A Boolean value that indicates whether this service is the primary service on the accessory.

## Declaration

```swift
var isPrimaryService: Bool { get }
```

## See Also

### Reading service properties

- [isUserInteractive](homekit/hmservice/isuserinteractive.md)