Folder Creation and Restrictions 2.0

Param(
    [string]$muUsername,
    [string]$importfile,
    [string]$accesscsv,
    [string]$folderroot,
    [string]$domain
)
function allowAccess ($file,$user,$levelOfAccess,$inheritance,$propagation,$type)
{
    $aclFile = Get-Acl -Path $file
    $allowAccess = New-Object System.Security.AccessControl.FileSystemAccessRule ($user, $levelOfAccess, $inheritance, $propagation,$type)
    $aclFile.SetAccessRule($allowAccess)
    Set-Acl -Path $file -AclObject $aclFile
}
#import user list
$folderList = Import-Csv -Path $importfile
#import ACLs
$accessList = Import-Csv -Path $accesscsv
#start folder creation loop
$folderList|
    ForEach-Object{
        #pull user display name
        $folderName = $_.name
        #sets samaccountname for ACL addition
        $accountName = $domain + "\" + $_.samaccountname
        #creates folder path
        $folderPath = $folderroot + "\" + $folderName
        #sets inheritance to allow ACL to propigate to children of new folder
        $inheritanceFlags = "ContainerInherit, ObjectInherit"
        $propagationFlags = "none"
        $folderAccess = "Allow"
        #test if folder exists
        $exist = Test-Path -Path $folderPath
        #create folder loop
        if ($exist -ne $true)
            {
            #create folder
            New-Item -ItemType "directory" -Path $folderPath
            $accessList|
            ForEach-Object{
                $username = $_.name
                $access = $_.access
                $type = $_.type
                #creates ACL rule
                allowAccess -file $folderPath -user $username -levelOfAccess $access -inheritance $inheritanceFlags -propagation    $propagationFlags -type $type
            }
        #creates ACL for myself *MAY NOT NEED*
    allowAccess -file $folderPath -user $myusername -levelOfAccess "FullControl" -inheritance $inheritanceFlags -propagation            $propagationFlags -type $folderAccess
        #creates ACL for user
        allowAccess -file $folderPath -user $accountName -levelOfAccess "FullControl" -inheritance $inheritanceFlags -propagation       $propagationFlags -type $folderAccess
        #disables inheritance and removes inherited rights
        $acl = Get-Acl $folderPath
        $acl.SetAccessRuleProtection(1,0)
        #saves inheritance rule
        Set-Acl -Path $folderPath -AclObject $acl
    }
    elseif ($exist -eq $true)
    {
        Write-Host "Folder already exists for $folderName"
    }
}