# Load WinSCP .NET assembly
Add-Type -Path "C:\Program Files (x86)\WinSCP\WinSCPnet.dll"
# Setup session options
$sessionOptions = New-Object WinSCP.SessionOptions -Property @{
    Protocol = [WinSCP.Protocol]::Sftp
    HostName = $HostName
    UserName = $UserName
    SshHostKeyFingerprint = $SshHostKeyFingerprint
    SshPrivateKeyPath = $SshPrivateKeyPath
    Timeout = New-TimeSpan -Seconds 60
} 
$session = New-Object WinSCP.Session    
$session.SessionLogPath = "e:\FTP\DV\Config\session.log"
 
$session.Open($sessionOptions)            
$transferOptions = New-Object WinSCP.TransferOptions
$transferOptions.TransferMode = [WinSCP.TransferMode]::Binary
$transferOptions.ResumeSupport.State = WinSCP.TransferResumeSupportState]::Off
$transferOptions.FilePermissions = $Null
$transferOptions.PreserveTimestamp = $False
         
#Get all files with file extension *.EFT80ST from process folder
$processFileList = Get-ChildItem -Path $FTPTransferFiles
 
#iterate thru each file in the list
foreach ($item in $processFileList) {                                
    $transferResult =
        $session.PutFileToDirectory(
            $item.FullName, $RemoteDirectory,$False, $transferOptions)
}