---
title: Input
framework: xpc
role: symbol
role_heading: Associated Type
path: xpc/xpcpeerhandler/input
---

# Input

A type that represents a message from a client.

## Declaration

```swift
associatedtype Input
```

## See Also

### Receiving client messages

- [handleIncomingRequest(_:)](xpc/xpcpeerhandler/handleincomingrequest(_:).md)
- [Output](xpc/xpcpeerhandler/output.md)