NSSystemExtensionUsageDescriptionKey
A message that tells the user why the app is trying to install a system extension bundle.
Declaration
let NSSystemExtensionUsageDescriptionKey: StringDiscussion
This key is required for all system extensions except DriverKit extensions, and must be in the extension’s Info.plist file. Failure to include this key results in an error at activation time. For DriverKit extensions, use OSBundleUsageDescriptionKey instead.