---
title: "insert(_:)"
framework: appkit
role: symbol
role_heading: Instance Method
path: "appkit/nshorizontaldirection/set/insert(_:)"
---

# insert(_:)

## Declaration

```swift
@discardableResult mutating func insert(_ newMember: NSHorizontalDirection) -> (inserted: Bool, memberAfterInsert: NSHorizontalDirection)
```