---
title: "insert(contentsOf:at:)"
framework: swift
role: symbol
role_heading: Instance Method
path: "swift/slice/insert(contentsof:at:)-3z6ts"
---

# insert(contentsOf:at:)

## Declaration

```swift
mutating func insert<S>(contentsOf newElements: S, at i: Slice<Base>.Index) where S : Collection, Base.Element == S.Element
```