NotificationExample.ps1

<#
    .SYNOPSIS
        Utilities - Windows - Notifications - Example Usage
    .DESCRIPTION
        Demonstrates usage of the Send-Notification function within a larger script using a pre-registered app.
    .NOTES
        2023-01-17: Initial version
    .LINK
        Blog post: https://homotechsual.dev/2023/01/17/Toast-Notifications-Windows-10-and-11/
#>
# Functions
function Send-Notification {
    [CmdletBinding()]
    Param(
        [string]$AppID = '{1AC14E77-02E7-4E5D-B744-2EB1AE5198B7}\WindowsPowerShell\v1.0\powershell.exe',
        [string]$NotificationImage,
        [Parameter(Mandatory)]
        [string]$NotificationTitle,
        [Parameter(Mandatory)]
        [string]$NotificationMessage,
        [ValidateSet('alarm', 'reminder', 'incomingcall', 'default')]
        [string]$NotificationType = 'default'
    )
    $null = [Windows.UI.Notifications.ToastNotificationManager, Windows.UI.Notifications, ContentType = WindowsRuntime]
    $null = [Windows.Data.Xml.Dom.XmlDocument, Windows.Data.Xml.Dom.XmlDocument, ContentType = WindowsRuntime]
    $NotificationTemplate = [xml]@"
<toast scenario="$NotificationType">
    <visual>
        <binding template="ToastGeneric">
            <text>$NotificationTitle</text>
            <text>$NotificationMessage</text>
            <image placement="appLogoOverride" src="$NotificationImage"/>
        </binding>
    </visual>
</toast>
"@
    $NotificationXML = [Windows.Data.XML.DOM.XMLDocument]::New()
    $NotificationXML.LoadXml($NotificationTemplate.OuterXml)
    $Toast = [Windows.UI.Notifications.ToastNotification]::new($NotificationXML)
    $ToastNotifier = [Windows.UI.Notifications.ToastNotificationManager]::CreateToastNotifier($AppID)
    $ToastNotifier.Show($Toast)
}
# Main Loop
$SpoolerService = Get-Service -Name 'Spooler'
if ($SpoolerService.Status -eq 'Running') {
    try {
        Restart-Service -Name 'Spooler'
        $NotificationParams = @{
            AppId = 'homotechsual.example'
            NotificationImage = 'C:\RMM\NotificationApp\NotificationIcon.png'
            NotificationTitle = 'Printer Spooler Restarted'
            NotificationMessage = 'The printer spooler service was restarted.'
            NotificationType = 'reminder'
        }
        Send-Notification @NotificationParams
    } catch {
        $NotificationParams = @{
            AppId = 'homotechsual.example'
            NotificationImage = 'C:\RMM\NotificationApp\NotificationIcon.png'
            NotificationTitle = 'Printer Spooler Failed to Restart'
            NotificationMessage = 'The printer spooler service failed to restart.'
            NotificationType = 'reminder'
        }
        Send-Notification @NotificationParams
    }
}