CSV Überschrift erste Spalte einlesen

OPN,Beschreibung ,NW_komm
M15,Ventil 15,Bypass Wasser
V18,Motor 18,Pumpe

function GetCsvAsObject($CSVPath){
    
if ($CSVPath)
    {

    (Get-Content $CSVPath)|
    ForEach-Object{$_ -replace ';',","}| # simikolon ersetzen  
    ForEach-Object{$_ -replace '´t',","}| #Tab ersetzen  
    Set-Content $CSVPath
       
    #Set-Content $CSVPath $CSVText

    return Import-Csv -Path $CSVPath -Delimiter ","  
    }
}

Set-Location -path C:\OPN
#Array Objektname
$CSVData= GetCsvAsObject('C:\OPN\OPN.csv')  
$CSVData

$Name_1_Splate = ($CSVData| Get-member -MemberType 'NoteProperty' | Select-Object -ExpandProperty 'Name')#[2]  
$Name_1_Splate