Function Get-registerkey{<# #>[CmdletBinding()]param(        [Parameter(Position=0,ValueFromPipeline=$true,ValueFromPipelineByPropertyName=$true)]        [Alias("CN","Computer")]        [String[]]$ComputerName="$env:COMPUTERNAME",        [String]$ErrorLog        ) Begin {  }## End Begin Script BlockProcess {  Foreach ($Computer in $ComputerName) {        Try {                   ## Querying WMI for build version            $WMI_OS = Get-WmiObject -Class Win32_OperatingSystem -Property BuildNumber, CSName -ComputerName $Computer -ErrorAction Stop             ## Making registry connection to the local/remote computer            $HKLM = [UInt32] "0x80000002"            $WMI_Reg = [WMIClass] "\\$Computer\root\default:StdRegProv"                        ## Query SusClientId from the registry           $RegWUAUsusid = $WMI_Reg.GetStringValue($HKLM,"SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\","SusClientId")            $WUAUsusid= $RegWUAUsusid.sValue             ## Creating Custom PSObject and Select-Object Splat            $SelectSplat = @{                Property=(                    ‘Computer‘,                    ‘susid‘                )}            New-Object -TypeName PSObject -Property @{                Computer=$WMI_OS.CSName                susid=$WUAUsusid            } | Select-Object @SelectSplat         } Catch {            Write-Warning "$Computer`: $_"            ## If $ErrorLog, log the file to a user specified location/path            If ($ErrorLog) {                Out-File -InputObject "$Computer`,$_" -FilePath $ErrorLog -Append            }                        }              }## End Foreach ($Computer in $ComputerName)            }## End Process End {  }## End End }## End Function Get-registerkey