ScheduleOSUpdateCommand.Command.UpdatesItem

The install action, which is one of the following values:

Default

Download or install the update, depending on the current state. You can check the UpdateResults dictionary to review scheduled updates. This value is available in iOS 9 and later, macOS 10.11 and later, and tvOS 12 and later.

DownloadOnly

Download the software update without installing it. This value is available in iOS 9 and later, macOS 11 and later, and tvOS 12 and later.

InstallASAP

In iOS and tvOS, install a previously downloaded software update. In macOS, download the software update and trigger the restart countdown notification. This value is available in iOS 9 and later, macOS 10.11 and later, and tvOS 12 and later.

NotifyOnly

Download the software update and notify the user through the App Store. This value is available in macOS 10.11 and later.

InstallLater

Download the software update and install it at a later time. This value is available in macOS 10.11 and later.

InstallForceRestart

Perform the Default action, and then force a restart if the update requires it. This value is available in macOS 11 and later.

The maximum number of times the system allows the user to postpone an update before it’s installed. The system prompts the user once a day.

This key is only supported when InstallAction is InstallLater and only supported for minor OS updates (for example, macOS 12.x to 12.y).

The scheduling priority for downloading and preparing the requested update. This is only supported for minor OS updates (macOS 12.x to 12.y).

Available in macOS 12.3 and later. Prior versions of macOS used a priority of Low.

The product key that represents the update.

The version of the update, which the system requires if ProductKey isn’t present. This value is available in iOS 11.3 and later, macOS 12 and later, and tvOS 12.2 and later.