---
title: WebPlugInAttributesKey
framework: WebKit
role: symbol
role_heading: Global Variable
platforms: [macOS 10.3+]
path: webkit/webpluginattributeskey
---

# WebPlugInAttributesKey

The NSDictionary object containing all names and values of all attributes of the plug-in’s associated HTML element, as well as all names and values of the parameters to be passed to the plug-in. For example, this dictionary will contain all PARAM elements within an APPLET element. If attribute and parameter names conflict, the attributes of an element take precedence over any of its parameters. All keys and values in this dictionary must be of type NSString. Required key.

## Declaration

```swift
let WebPlugInAttributesKey: String
```

## See Also

### WebKit Constants (Legacy)

- [WebActionButtonKey](webkit/webactionbuttonkey.md)
- [WebActionElementKey](webkit/webactionelementkey.md)
- [WebActionModifierFlagsKey](webkit/webactionmodifierflagskey.md)
- [WebActionNavigationTypeKey](webkit/webactionnavigationtypekey.md)
- [WebActionOriginalURLKey](webkit/webactionoriginalurlkey.md)
- [WebArchivePboardType](webkit/webarchivepboardtype.md)
- [WebElementDOMNodeKey](webkit/webelementdomnodekey.md)
- [WebElementFrameKey](webkit/webelementframekey.md)
- [WebElementImageAltStringKey](webkit/webelementimagealtstringkey.md)
- [WebElementImageKey](webkit/webelementimagekey.md)
- [WebElementImageRectKey](webkit/webelementimagerectkey.md)
- [WebElementImageURLKey](webkit/webelementimageurlkey.md)
- [WebElementIsSelectedKey](webkit/webelementisselectedkey.md)
- [WebElementLinkLabelKey](webkit/webelementlinklabelkey.md)
- [WebElementLinkTargetFrameKey](webkit/webelementlinktargetframekey.md)