Get-LastInstalledApplication.ps1

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Script

function Get-LastInstalledApplication {
	<#
	.SYNOPSIS
		A brief description of the Get-LastInstalledApplication function.

	.DESCRIPTION
		A detailed description of the Get-LastInstalledApplication function.

	.PARAMETER ComputerName
		A description of the ComputerName parameter.

	.PARAMETER Last
		A description of the Last parameter.

	.EXAMPLE
		PS C:\> Get-LastInstalledApplication -ComputerName 'value1'

	.OUTPUTS
		System.String

	.NOTES
		Additional information about the function.
#>

	[CmdletBinding(DefaultParameterSetName = 'Default',
		supportsShouldProcess = $true,
		HelpUri = 'https://github.com/BanterBoy'
	)]
	[OutputType([string])]
	param
	(
		[Parameter(ParameterSetName = 'Default',
			Mandatory = $false,
			ValueFromPipeline = $true,
			ValueFromPipelineByPropertyName = $true,
			HelpMessage = 'Enter computer name or pipe input'
		)]
		[Alias('cn')]
		[string[]]$ComputerName = $env:COMPUTERNAME,
		[Parameter(ParameterSetName = 'Default',
			Mandatory = $false,
			ValueFromPipeline = $true,
			ValueFromPipelineByPropertyName = $true,
			HelpMessage = 'Enter computer name or pipe input'
		)]
		[Alias('cred')]
		[ValidateNotNull()]
		[System.Management.Automation.PSCredential]
		[System.Management.Automation.Credential()]
		$Credential,
		[Parameter(ParameterSetName = 'Default',
			Mandatory = $false,
			ValueFromPipeline = $true,
			ValueFromPipelineByPropertyName = $true,
			HelpMessage = 'Enter computer name or pipe input')]
		[Alias('l')]
		[int]$Last = '5'
	)
	BEGIN {
	}
	PROCESS {
		foreach ($Computer in $ComputerName) {
			if ($PSCmdlet.ShouldProcess("$($Computer)", "Find last installed application")) {
				$Test = (Test-Connection -ComputerName $Computer -Ping -Count 1).Status
				if ($Test -eq "Success") {
					if ($Credential) {
						try {
							$Results = Get-WinEvent -ComputerName $Computer -Credential $Credential -FilterHashtable @{ LogName = "Application"; ID = 11707; ProviderName = 'MsiInstaller' } -ErrorAction SilentlyContinue |
							Select-Object TimeCreated, Message, MachineName -Last $Last
							if ($null -eq $Results) {
								Write-Output "No Matching Events Found on $Computer"
							}
							else {
								Write-Output $Results
							}
						}
						catch {
							Write-Output "No Matching Events Found on $Computer"
						}

					}
					else {
						try {
							$Results = Get-WinEvent -ComputerName $Computer -FilterHashtable @{ LogName = "Application"; ID = 11707; ProviderName = 'MsiInstaller' } -ErrorAction SilentlyContinue |
							Select-Object TimeCreated, Message, MachineName -Last $Last
							if ($null -eq $Results) {
								Write-Output "No Matching Events Found on $Computer"
							}
							else {
								Write-Output $Results
							}
						}
						catch {
							Write-Output "No Matching Events Found on $Computer"
						}
					}
				}
				else {
					Write-Output "Computer $Computer is not reachable."
				}
			}
		}
	}
	END {
	}
}

# "HOTH", "KAMINO", "DANTOOINE" | ForEach-Object -Process { Get-LastInstalledApplication -ComputerName $_ -Last 1 }

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