---
title: NSExtensionAttributes
framework: bundleresources
role: symbol
role_heading: Property List Key
path: bundleresources/information-property-list/nsextension/nsextensionattributes
---

# NSExtensionAttributes

Properties of an app extension.

## Topics

### Appearance and Presentation

- [NSExtensionActionWantsFullScreenPresentation](bundleresources/information-property-list/nsextension/nsextensionactionwantsfullscreenpresentation.md)
- [NSExtensionMainStoryboard](bundleresources/information-property-list/nsextension/nsextensionmainstoryboard.md)
- [NSExtensionOverridesHostUIAppearance](bundleresources/information-property-list/nsextension/nsextensionoverrideshostuiappearance.md)
- [NSExtensionPointIdentifier](bundleresources/information-property-list/nsextension/nsextensionpointidentifier.md)
- [NSExtensionPrincipalClass](bundleresources/information-property-list/nsextension/nsextensionprincipalclass.md)
- [NSExtensionActivationRule](bundleresources/information-property-list/nsextension/nsextensionattributes/nsextensionactivationrule.md)
- [NSExtensionJavaScriptPreprocessingFile](bundleresources/information-property-list/nsextension/nsextensionattributes/nsextensionjavascriptpreprocessingfile.md)

### Core Spotlight

- [CSSupportedContentTypes](bundleresources/information-property-list/nsextension/nsextensionattributes/cssupportedcontenttypes.md)

### Credential providers

- [ASCredentialProviderExtensionCapabilities](bundleresources/information-property-list/nsextension/nsextensionattributes/ascredentialproviderextensioncapabilities.md)

### Intents

- [IntentsSupported](bundleresources/information-property-list/nsextension/intentssupported.md)
- [SupportedMediaCategories](bundleresources/information-property-list/nsextension/nsextensionattributes/supportedmediacategories.md)

### Mail

- [MEComposeSession](bundleresources/information-property-list/nsextension/nsextensionattributes/mecomposesession.md)
- [MEExtensionCapabilities](bundleresources/information-property-list/nsextension/nsextensionattributes/meextensioncapabilities.md)

### Photos

- [PHProjectExtensionDefinesProjectTypes](bundleresources/information-property-list/nsextension/nsextensionattributes/phprojectextensiondefinesprojecttypes.md)
- [PHSupportedMediaTypes](bundleresources/information-property-list/nsextension/nsextensionattributes/phsupportedmediatypes.md)

### Quick Actions

- [NSExtensionServiceAllowsFinderPreviewItem](bundleresources/information-property-list/nsextension/nsextensionattributes/nsextensionserviceallowsfinderpreviewitem.md)
- [NSExtensionServiceFinderPreviewIconName](bundleresources/information-property-list/nsextension/nsextensionattributes/nsextensionservicefinderpreviewiconname.md)
- [NSExtensionServiceFinderPreviewLabel](bundleresources/information-property-list/nsextension/nsextensionattributes/nsextensionservicefinderpreviewlabel.md)
- [NSExtensionServiceRoleType](bundleresources/information-property-list/nsextension/nsextensionattributes/nsextensionserviceroletype.md)

### Toolbar

- [NSExtensionServiceAllowsToolbarItem](bundleresources/information-property-list/nsextension/nsextensionattributes/nsextensionserviceallowstoolbaritem.md)
- [NSExtensionServiceToolbarIconFile](bundleresources/information-property-list/nsextension/nsextensionattributes/nsextensionservicetoolbariconfile.md)
- [NSExtensionServiceToolbarPaletteLabel](bundleresources/information-property-list/nsextension/nsextensionattributes/nsextensionservicetoolbarpalettelabel.md)

### Touch Bar

- [NSExtensionServiceAllowsTouchBarItem](bundleresources/information-property-list/nsextension/nsextensionattributes/nsextensionserviceallowstouchbaritem.md)
- [NSExtensionServiceTouchBarBezelColorName](bundleresources/information-property-list/nsextension/nsextensionattributes/nsextensionservicetouchbarbezelcolorname.md)
- [NSExtensionServiceTouchBarIconName](bundleresources/information-property-list/nsextension/nsextensionattributes/nsextensionservicetouchbariconname.md)
- [NSExtensionServiceTouchBarLabel](bundleresources/information-property-list/nsextension/nsextensionattributes/nsextensionservicetouchbarlabel.md)

### UIKit

- [IDMessageFilterExtensionNetworkURL](bundleresources/information-property-list/nsextension/nsextensionattributes/idmessagefilterextensionnetworkurl.md)
- [ILClassificationExtensionSMSReportDestination](bundleresources/information-property-list/nsextension/nsextensionattributes/ilclassificationextensionsmsreportdestination.md)
- [IsASCIICapable](bundleresources/information-property-list/nsextension/nsextensionattributes/isasciicapable.md)
- [MSMessagesAppPresentationContextMessages](bundleresources/information-property-list/nsextension/nsextensionattributes/msmessagesapppresentationcontextmessages.md)
- [PrefersRightToLeft](bundleresources/information-property-list/nsextension/nsextensionattributes/prefersrighttoleft.md)
- [PrimaryLanguage](bundleresources/information-property-list/nsextension/nsextensionattributes/primarylanguage.md)
- [RequestsOpenAccess](bundleresources/information-property-list/nsextension/nsextensionattributes/requestsopenaccess.md)
- [UIDocumentPickerModes](bundleresources/information-property-list/nsextension/nsextensionattributes/uidocumentpickermodes.md)
- [UIDocumentPickerSupportedFileTypes](bundleresources/information-property-list/nsextension/nsextensionattributes/uidocumentpickersupportedfiletypes.md)
- [UNNotificationExtensionCategory](bundleresources/information-property-list/nsextension/nsextensionattributes/unnotificationextensioncategory.md)
- [UNNotificationExtensionDefaultContentHidden](bundleresources/information-property-list/nsextension/nsextensionattributes/unnotificationextensiondefaultcontenthidden.md)
- [UNNotificationExtensionInitialContentSizeRatio](bundleresources/information-property-list/nsextension/nsextensionattributes/unnotificationextensioninitialcontentsizeratio.md)
- [UNNotificationExtensionOverridesDefaultTitle](bundleresources/information-property-list/nsextension/nsextensionattributes/unnotificationextensionoverridesdefaulttitle.md)
- [UNNotificationExtensionUserInteractionEnabled](bundleresources/information-property-list/nsextension/nsextensionattributes/unnotificationextensionuserinteractionenabled.md)