No File Attachment field

This: https://lcarehabilitationcenter.it/wp-content/uploads/2019/07/Screenshot-2019-07-31-at-15.37.22.png

Have you seen my Print screen? Do you see that there is no File Attachment field like on this tutorial?

Oh, yes. I was very stupid! The Field was on mail tab… thank you man, it works.. thank you very much.