---
title: supportedActivityFamilies
framework: swiftui
role: symbol
role_heading: Instance Property
path: swiftui/environmentvalues/supportedactivityfamilies
---

# supportedActivityFamilies

An environment value that that indicates potential rendered family for a Live Activity.

## Declaration

```swift
var supportedActivityFamilies: Set<ActivityFamily> { get set }
```

## Discussion

Discussion To detect the currently rendered activity family size, use the activityFamily environment variable. The supportedActivityFamilies environment value might only be useful if your make you make your Live Activity views available in a Swift package.