---
title: "insert(_:)"
framework: foundation
role: symbol
role_heading: Instance Method
path: "foundation/characterset/insert(_:)"
---

# insert(_:)

Insert a Unicode.Scalar representation of a character into the CharacterSet.

## Declaration

```swift
@discardableResult mutating func insert(_ character: Unicode.Scalar) -> (inserted: Bool, memberAfterInsert: Unicode.Scalar)
```

## Discussion

Discussion Unicode.Scalar values are available on Swift.String.UnicodeScalarView.