---
title: "className(for:)"
framework: foundation
role: symbol
role_heading: Type Method
path: "foundation/nskeyedarchiver/classname(for:)-swift.type.method"
---

# className(for:)

Returns the class name with which the archiver class encodes instances of a given class.

## Declaration

```swift
class func className(for cls: AnyClass) -> String?
```

## Parameters

- `cls`: The class for which to determine the translation mapping.

## Return Value

Return Value The class name with which NSKeyedArchiver encodes instances of cls. Returns nil if NSKeyedArchiver does not have a translation mapping for cls.

## See Also

### Managing Classes and Class Names

- [setClassName(_:for:)](foundation/nskeyedarchiver/setclassname(_:for:)-swift.type.method.md)
- [setClassName(_:for:)](foundation/nskeyedarchiver/setclassname(_:for:)-swift.method.md)
- [className(for:)](foundation/nskeyedarchiver/classname(for:)-swift.method.md)