Hi Cyril,
Thank you for submitting an idea for SDL TMS. I've put this under review as I think I need to understand the requirements a little better. Is this for a specific file type? Given what I know about your usage of SDL products, I would guess that this is for the integration with SDL Tridion Sites but I want to be absolutely clear on that. Even then, I think that perhaps this kind of functionality might be better delivered as a customisation unless there is a wider need for this specific use case.
Thanks,
David