---
title: makeXPCConnection()
framework: extensionfoundation
role: symbol
role_heading: Instance Method
path: extensionfoundation/appextensionprocess/makexpcconnection()
---

# makeXPCConnection()

Connect to the app extension process using the XPC types of the Foundation framework.

## Declaration

```swift
func makeXPCConnection() throws -> NSXPCConnection
```

## Return Value

Return Value The connection object your app uses to communicate with the app extension.

## Discussion

Discussion Call this method to create a connection between your host app and an app extension using the types of the Foundation framework. If the app extension accepts the connection request, the returned connection object contains the proxy information you need to communicate with it. If the app extension refuses the request or doesn’t support this connection type, this method throws an error.

## See Also

### Connecting to the app extension

- [makeXPCSession()](extensionfoundation/appextensionprocess/makexpcsession().md)