---
title: kDNSServiceFlagsForceMulticast
framework: dnssd
role: symbol
role_heading: Global Variable
path: dnssd/kdnsserviceflagsforcemulticast
---

# kDNSServiceFlagsForceMulticast

## Declaration

```swift
var kDNSServiceFlagsForceMulticast: UInt32 { get }
```

## Discussion

Discussion Flag for signifying that a query or registration should be performed exclusively via multicast DNS, even for a name in a domain (e.g. foo.apple.com.) that would normally imply unicast DNS.