---
title: "xpcType(for:argumentIndex:ofReply:)"
framework: foundation
role: symbol
role_heading: Instance Method
path: "foundation/nsxpcinterface/xpctype(for:argumentindex:ofreply:)"
---

# xpcType(for:argumentIndex:ofReply:)

## Declaration

```swift
func xpcType(for sel: Selector, argumentIndex arg: Int, ofReply: Bool) -> xpc_type_t?
```