Runs SHQueryUserNotificationState from shell32.dll and returns the state

UserNotificationState.ps1

$Code = @"
using System;
using System.Runtime.InteropServices;

namespace UserNotificationState {
    public class NitsAndBits {
        public enum UserNotificationState
        {
            /// <summary>
            /// A screen saver is displayed, the machine is locked,
            /// or a nonactive Fast User Switching session is in progress.
            /// </summary>
            NotPresent = 1,

            /// <summary>
            /// A full-screen application is running or Presentation Settings are applied.
            /// Presentation Settings allow a user to put their machine into a state fit
            /// for an uninterrupted presentation, such as a set of PowerPoint slides, with a single click.
            /// </summary>
            Busy = 2,

            /// <summary>
            /// A full-screen (exclusive mode) Direct3D application is running.
            /// </summary>
            RunningDirect3dFullScreen = 3,

            /// <summary>
            /// The user has activated Windows presentation settings to block notifications and pop-up messages.
            /// </summary>
            PresentationMode = 4,

            /// <summary>
            /// None of the other states are found, notifications can be freely sent.
            /// </summary>
            AcceptsNotifications = 5,

            /// <summary>
            /// Introduced in Windows 7. The current user is in "quiet time", which is the first hour after
            /// a new user logs into his or her account for the first time. During this time, most notifications
            /// should not be sent or shown. This lets a user become accustomed to a new computer system
            /// without those distractions.
            /// Quiet time also occurs for each user after an operating system upgrade or clean installation.
            /// </summary>
            QuietTime = 6
        };

        [DllImport("shell32.dll")]
        static extern int SHQueryUserNotificationState(out UserNotificationState pquns);

        public static UserNotificationState State()
        {
            UserNotificationState state;
            var returnVal = SHQueryUserNotificationState(out state);

            return state;
        }
    }
}
"@

Add-Type -TypeDefinition $code -Language CSharp	
[UserNotificationState.NitsAndBits]::State()

Was hoping that this would tell me if the user had set Focus Assist to alarm only or priority but not matter what the setting in the action center is set to, this gives AcceptsNotifications