---
title: associatedDomains
framework: networkextension
role: symbol
role_heading: Instance Property
path: networkextension/netunnelprovidermanager/associateddomains
---

# associatedDomains

The domains that the system routes network traffic through for a per-app VPN.

## Declaration

```swift
var associatedDomains: [String] { get set }
```

## Discussion

Discussion For per-app VPNs only, the system routes HTTP requests to download the Apple app site association files for domains in this property through the VPN.

## See Also

### Configuring a per-app VPN

- [forPerAppVPN()](networkextension/netunnelprovidermanager/forperappvpn().md)
- [appRules](networkextension/netunnelprovidermanager/apprules.md)
- [excludedDomains](networkextension/netunnelprovidermanager/excludeddomains.md)
- [calendarDomains](networkextension/netunnelprovidermanager/calendardomains.md)
- [contactsDomains](networkextension/netunnelprovidermanager/contactsdomains.md)
- [mailDomains](networkextension/netunnelprovidermanager/maildomains.md)
- [safariDomains](networkextension/netunnelprovidermanager/safaridomains.md)