Simple Notification App [Param]

Summary

This script is designed to deliver a one-time, customized message to the partner, featuring your company's branding through an optional image URL. For branding purposes, using a PNG or JPEG image URL is recommended, though not mandatory. Once executed, the script will display the message on the logged-in user's screen within one minute.

Sample Run

Example 1

Using custom value for each parameter.

• Message: Hello there, it''s time to leave for the day. Good night!
• ImageUrl: https://contentrepo.net/repo/share/logo.png
• Email: ram.kishor@provaltech.com
• Phone: 1234567891

Notification:

Example 2

Using default values for non-mandatory parameters.

• Message: Hello there, it''s time to leave for the day. Good night!
• ImageUrl: ' '
• Email: ' '
• Phone: ' '

Notification:

Example 3

Using custom value for each parameter.

• Message: It''s not just a secret mission—it''s a fashion emergency! Bond and I are armed with suspicious sunglasses, maximum sparkle, and a missile that might be a hairdryer. If we don''t save the world, we''ll at least confuse the villains with our fabulousness and questionable accessories!
• ImageUrl: https://labtech.provaltech.com/labtech/transfer/images/alogo.jpg
• Email: ram.kishor@provaltech.com
• Phone: 1234567890

Notification:

Dependencies

SimpleNotification

User Parameters

Name	Example	Required	Description
Message	This is a test message	True	The message is displayed to the end user. (Maximum 888 characters). Replace single quotes with two single quotes. Incorrect: it's Correct: it''s
ImageURL	http://p.favim.com/orig/2018/08/24/cute-beautiful-couple-avatar-Favim.com-6224738.jpg	False	The URL for the image to display instead of the default.
Email	someone@testing.com	False	The support e-mail address is displayed to the user.
Phone	000-000-0000	False	The support phone number is displayed to the user.

Task Setup Path

• Tasks Path: AUTOMATION ➞ Tasks
• Task Type: Script Editor

Task Creation

Description

• Name: Simple Notification App [Param]

• Description:

  This script is designed to send a one-time customized message to the partner with the company's branding using the image URL option.
  It is required to use the PNG or JPEG image URL for it to work.
  
  Note: This script will trigger the message within a minute to the logged-in user screen once the script runs.

• Category: Maintenance

Parameters

Parameter Name	Required Field	Parameter Type	Default Value
Message	Enabled	Text String	Disabled
ImageUrl	Disabled	Text String	Disabled
Email	Disabled	Text String	Disabled
Phone	Disabled	Text String	Disabled

Message:

ImageUrl:

Email:

Phone:

Parameters Section

Script Editor

Step 1: Row ➞ PowerShell script

• Use Generative AI Assist for script creation: False
• Expected time of script execution in seconds: 300
• Continue on Failure: False
• Run as: System
• Operating System: Windows
• PowerShell Script Editor:

$ProgressPreference = 'SilentlyContinue'

$message = '@Message@'
$image = '@ImageUrl@'
$email = '@Email@'
$phone = '@Phone@'

if ([string]::IsNullOrEmpty($message) -or $message -match 'Message@$') {
    throw 'Error: Message is required to run the task.'
} elseif ($message.Length -gt 888) {
    throw 'Error: Message exceeds the maximum length of 888 characters.'
}

if ($image -match 'ImageUrl@$' -or !$image) {
    $image = ''
}

if ($email -match 'Email@$' -or !$email) {
    $email = ''
}

if ($phone -match 'Phone@$' -or !$phone) {
    $phone = ''
}

$loggedInUser = (Get-CimInstance -ClassName Win32_ComputerSystem).UserName
if (!$loggedInUser) {
    return 'Warning: No user is currently logged in.'
}

$SupportedTLSversions = [enum]::GetValues('Net.SecurityProtocolType')
if ( ($SupportedTLSversions -contains 'Tls13') -and ($SupportedTLSversions -contains 'Tls12') ) {
    [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol::Tls13 -bor [System.Net.SecurityProtocolType]::Tls12
} elseif ( $SupportedTLSversions -contains 'Tls12' ) {
    [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12
} else {
    Write-Information 'Warning: TLS 1.2 and/or TLS 1.3 are not supported on this system. This download may fail!' -InformationAction Continue
    if ($PSVersionTable.PSVersion.Major -lt 3) {
        Write-Information 'Warning: PowerShell 2 / .NET 2.0 doesn''t support TLS 1.2.' -InformationAction Continue
    }
}

$URL = 'https://github.com/ProVal-Tech/SimpleNotification/releases/latest/download/SimpleNotification.exe'
$appName = 'SimpleNotification'
$WorkingDirectory = '{0}\_automation\script\Run-SimpleNotification' -f $env:ProgramData
$EXEPath = '{0}\{1}.exe' -f $WorkingDirectory, $appName
$ConfigFile = '{0}\config.toml' -f $WorkingDirectory

if (-not (Test-Path -Path $WorkingDirectory)) {
    try {
        New-Item -Path $WorkingDirectory -ItemType Directory -Force -ErrorAction Stop | Out-Null
    } catch {
        throw ('ERROR: Failed to create {0}. Reason: {1}' -f $WorkingDirectory, $Error[0].Exception.Message)
    }
}

if (-not ((Get-Acl -Path $WorkingDirectory).Access | Where-Object { $_.IdentityReference -match 'Everyone' -and $_.FileSystemRights -match 'FullControl' })) {
    try {
        $Acl = Get-Acl $WorkingDirectory
        $AccessRule = New-Object System.Security.AccessControl.FileSystemAccessRule('Everyone', 'FullControl', 'ContainerInherit, ObjectInherit', 'None', 'Allow')
        $Acl.AddAccessRule($AccessRule)
        Set-Acl -Path $WorkingDirectory -AclObject $Acl
    } catch {
        throw ('ERROR: Failed to set permissions on {0}. Reason: {1}' -f $WorkingDirectory, $Error[0].Exception.Message)
    }
}

$ConfigDirectory = [System.IO.Path]::GetDirectoryName($ConfigFile)
if (-not (Test-Path -Path $ConfigDirectory)) {
    New-Item -ItemType Directory -Path $ConfigDirectory -Force | Out-Null
}

try {
    Invoke-WebRequest -Uri $URL -OutFile $EXEPath -UseBasicParsing
    if (-not (Test-Path -Path $EXEPath)) {
        throw 'ERROR: Failed to download SimpleNotification.exe. Exiting.'
    }
} catch {
    throw ('ERROR: Failed to download file. Reason: {0}' -f $Error[0].Exception.Message)
}

$content = @"
message = "$message"
image_url = "$image"
email = "$email"
phone = "$phone"
"@

$Utf8NoBomEncoding = New-Object System.Text.UTF8Encoding $False
try {
    [System.IO.File]::WriteAllLines($ConfigFile, $content, $Utf8NoBomEncoding)
} catch {
    throw ('ERROR: Failed to write config file. Reason: {0}' -f $Error[0].Exception.Message)
}

$TaskName = 'Simple Notification'
$Description = 'Running Simple Notification app to send the prompt'
$Parameter = "-c `"$ConfigFile`""

# Unregister existing task if it exists
if (Get-ScheduledTask -TaskName $TaskName -ErrorAction SilentlyContinue) {
    Unregister-ScheduledTask -TaskName $TaskName -Confirm:$false
}

$Action = New-ScheduledTaskAction -Execute $EXEPath -Argument $Parameter

# Create task trigger (run once 20 seconds from now)
$TriggerTime = (Get-Date).AddSeconds(20)
$Trigger = New-ScheduledTaskTrigger -Once -At $TriggerTime

$Settings = New-ScheduledTaskSettingsSet
$Principal = New-ScheduledTaskPrincipal -GroupId ((New-Object System.Security.Principal.SecurityIdentifier('S-1-5-32-545')).Translate([System.Security.Principal.NTAccount]).Value) -RunLevel Highest

try {
    Register-ScheduledTask -Action $Action -Trigger $Trigger -TaskName $TaskName -Description $Description -Settings $Settings -Principal $Principal | Out-Null
    return 'Task created successfully.'
} catch {
    throw ('ERROR: Failed to create scheduled task. Reason: {0}' -f $Error[0].Exception.Message)
}

Step 2: Row ➞ Script Log

• Script Log Message: %Output%
• Operating System: Windows

Completed Task

Output

• Script Log
• Popup Message on User's desktop

Changelog

2026-03-10

• Implemented dynamic UI resizing for the notification prompt based on the length of the incoming message.
• Added three responsive layout tiers: Small (less than equal 300 characters), Medium (between 301-500 characters), and Large (greater than 500 characters).
• Established a maximum character limit of 888 characters for the Large layout; exceeding text will not be displayed.

2025-08-29

• Updated the task to use parameter instead of variable.

2025-04-10

• Initial version of the document