---
title: "setValue(_:forKey:)"
framework: foundation
role: symbol
role_heading: Instance Method
path: "foundation/nsset/setvalue(_:forkey:)"
---

# setValue(_:forKey:)

Invokes setValue:forKey: on each of the set’s members.

## Declaration

```swift
func setValue(_ value: Any?, forKey key: String)
```

## Parameters

- `value`: The value for the property identified by key.
- `key`: The name of one of the properties of the set’s members.

## See Also

### Comparing Sets

- [isSubset(of:)](foundation/nsset/issubset(of:).md)
- [intersects(_:)](foundation/nsset/intersects(_:).md)
- [isEqual(to:)](foundation/nsset/isequal(to:).md)
- [value(forKey:)](foundation/nsset/value(forkey:).md)