how do i upload a document or images on a server using url Session

Interesting question! You've been a forum member since 2020 and this is your third question! And it's a doozy!

Your question is too vague to answer.

Take your very big problem, and break it down into many smaller problems. We can help you solve smaller problems.

First, start with the search bar at the top of the Hacking With Swift web page. Search for URLSession. Start there.