https://anthonyspiteri.net/ovftool-vcloud-director-ova-upload-powershell-script/
OVFTool: vCloud Director OVA Upload PowerShell Script
Earlier this year I put together a quick and nasty PowerShell Script that exports a vApp from vCloud Director using the OVFTool ...for those that don't know ...
vcloud directorovftoolovauploadpowershell