Change script to include only particular files.

Hi Experts,

The script below connects to a FTP site and downloads all newest files to a local folder in my pc.

How can I change this script to include only files  either with wording "PAT" or "Sched"?
However if file name contains word "Full" it should not be included.

# Load WinSCP .NET assembly
Add-Type -Path "C:\Program Files (x86)\WinSCP\WinSCPnet.dll"

# Set up session options
$sessionOptions = New-Object WinSCP.SessionOptions -Property @{
    Protocol = [WinSCP.Protocol]::Sftp
    HostName = "sftp.MySite.com"
    UserName = "MyUserName"
    Password = "MyPWD"
    SshHostKeyFingerprint = "1234567890="
}

$session = New-Object WinSCP.Session

try
{
    # Connect
    $session.Open($sessionOptions)

    # Transfer files
    $remotePath = "H:\FTP\*"
    
    $sourcePath = "/Outbox/*"
    $destPath = "H:\FTP\"
    $destPathNew = "H:\FTP\Caspio\"


    $transferOptions = New-Object WinSCP.TransferOptions
    while($True)
    {
 
        try
        {
     
            $transferResult = $session.GetFiles($sourcePath, $destPath, $False, $transferOptions)
            $transferResult.Check()
        }
        finally
        {
 	        foreach ($transfer in $transferResult.Transfers)
                {
                   $session.GetFiles($transfer.FileName, $destPathNew, $False, $transferOptions)
          
                    Write-Host "Download of $($transfer.FileName) succeeded"
                }
                $destPathNew1
        }
    }
    Write-Host "Waiting..."
    Start-Sleep -Seconds 5

}
finally
{

    $session.Dispose()
}

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Thanks in advance.