Initiates a search for domains in which the host may register services.
- iOS 2.0+
- macOS 10.2+
- Mac Catalyst 13.0+
- tvOS 9.0+
This method returns immediately, sending a
net message to the delegate if the network was ready to initiate the search. The delegate receives a subsequent
net message for each domain discovered.
Most network service browser clients do not have to use this method—it is sufficient to publish a service with the empty string, which registers it in any available registration domains automatically.