create object array from csv

$ContosoUserArray = @()
$ADUserList = Import-Csv "C:\Scripts\DataFiles\ADUsers.csv"

foreach($ContosoUser in $ADUserList)
{
    $SamAccountName = (($ContosoUser.SamAccountName).Trim()).ToLower()
    $UserPrincipalName = (($ContosoUser.UserPrincipalName).Trim()).ToLower()
    $HomeDirectory = (($ContosoUser.HomeDirectory).Trim()).ToLower()
    $EmailAddress = (($ContosoUser.EmailAddress).Trim()).ToLower()

    $ContosoUserObj = New-Object –TypeName PSObject
    $ContosoUserObj | Add-Member -type NoteProperty -Name SamAccountName -value $SamAccountName
    $ContosoUserObj | Add-Member -type NoteProperty -Name EmailAddress -value $EmailAddress
    $ContosoUserObj | Add-Member -type NoteProperty -Name HomeDirectory -value $HomeDirectory
    $ContosoUserObj | Add-Member -type NoteProperty -Name UserPrincipalName -value $UserPrincipalName

    $ContosoUserArray += $ContosoUserObj
}

$ContosoUserArray.count