---
title: "setAttributeNS(_:qualifiedName:value:)"
framework: webkit
role: symbol
role_heading: Instance Method
path: "webkit/domelement/setattributens(_:qualifiedname:value:)"
---

# setAttributeNS(_:qualifiedName:value:)

## Declaration

```swift
func setAttributeNS(_ namespaceURI: String!, qualifiedName: String!, value: String!)
```