---
title: "netServiceBrowserWillSearch(_:)"
framework: foundation
role: symbol
role_heading: Instance Method
path: "foundation/netservicebrowserdelegate/netservicebrowserwillsearch(_:)"
---

# netServiceBrowserWillSearch(_:)

Tells the delegate that a search is commencing.

## Declaration

```swift
optional func netServiceBrowserWillSearch(_ browser: NetServiceBrowser)
```

## Parameters

- `browser`: Sender of this delegate message.

## Discussion

Discussion This message is sent to the delegate only if the underlying network layer is ready to begin a search. The delegate can use this notification to prepare its data structures to receive data.

## See Also

### Using Network Service Browsers

- [netServiceBrowser(_:didFindDomain:moreComing:)](foundation/netservicebrowserdelegate/netservicebrowser(_:didfinddomain:morecoming:).md)
- [netServiceBrowser(_:didRemoveDomain:moreComing:)](foundation/netservicebrowserdelegate/netservicebrowser(_:didremovedomain:morecoming:).md)
- [netServiceBrowser(_:didFind:moreComing:)](foundation/netservicebrowserdelegate/netservicebrowser(_:didfind:morecoming:).md)
- [netServiceBrowser(_:didRemove:moreComing:)](foundation/netservicebrowserdelegate/netservicebrowser(_:didremove:morecoming:).md)
- [netServiceBrowser(_:didNotSearch:)](foundation/netservicebrowserdelegate/netservicebrowser(_:didnotsearch:).md)
- [netServiceBrowserDidStopSearch(_:)](foundation/netservicebrowserdelegate/netservicebrowserdidstopsearch(_:).md)