---
title: "init(targetQueue:options:incomingSessionHandler:)"
framework: xpc
role: symbol
role_heading: Initializer
path: "xpc/xpclistener/init(targetqueue:options:incomingsessionhandler:)"
---

# init(targetQueue:options:incomingSessionHandler:)

Creates an anonymous listener

## Declaration

```swift
@preconcurrency init(targetQueue: DispatchQueue? = nil, options: XPCListener.InitializationOptions = .none, incomingSessionHandler: @escaping @Sendable (XPCListener.IncomingSessionRequest) -> XPCListener.IncomingSessionRequest.Decision)
```

## Return Value

Return Value Returns a new listener object. The returned listener is activated by default and will begin receiving incoming session requests

## Discussion

Discussion targetQueue: The GCD queue onto which listener events will be submitted. This may be a concurrent queue. This parameter is optional, if the target queue is not specified the target queue will be libdispatch’s default target queue, defined as DISPATCH_TARGET_QUEUE_DEFAULT. options: Additional attributes to create the listener incomingSessionHandler: The handler block to be called when a peer is attempting to establish a connection with this listener. The incoming session handler is mandatory.