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

# insert(_:)

Inserts the given feature in the set if it is not already present.

## Declaration

```swift
mutating func insert(_ newFeature: FeatureSet.Feature)
```

## Parameters

- `newFeature`: A feature to insert into the set.

## See Also

### Checking features

- [contains(_:)](paperkit/featureset/contains(_:).md)
- [isSubset(of:)](paperkit/featureset/issubset(of:).md)
- [remove(_:)](paperkit/featureset/remove(_:).md)