NSExtensionPointIdentifier
The extension point that supports an app extension.
Possible Values
com.apple.authentication-services-account-authentication-modification-uicom.apple.ui-servicescom.apple.servicescom.apple.AudioUnit-UIcom.apple.AppSSO.idp-extensioncom.apple.authentication-services-credential-provider-uicom.apple.broadcast-services-setupuicom.apple.broadcast-services-uploadcom.apple.callkit.call-directorycom.apple.classkit.context-providercom.apple.Safari.content-blockercom.apple.keyboard-servicecom.apple.fileprovider-nonuicom.apple.fileprovider-actionsuicom.apple.FinderSynccom.apple.intents-servicecom.apple.intents-ui-servicecom.apple.identitylookup.message-filtercom.apple.networkextension.app-proxycom.apple.usernotifications.content-extensioncom.apple.usernotifications.servicecom.apple.ctk-tokenscom.apple.photo-editingcom.apple.photo-projectcom.apple.quicklook.previewcom.apple.Safari.extensioncom.apple.share-servicescom.apple.ctk-tokenscom.apple.spotlight.indexcom.apple.message-payload-providercom.apple.quicklook.thumbnailcom.apple.tv-top-shelfcom.apple.identitylookup.classification-uicom.apple.widgetkit-extensioncom.apple.dt.Xcode.extension.source-editor