[Zope] add a File type via a form

Hi, I have a very simple "index_html". It s a form in which I ask for an "Id" <form action="addFile" method="post"> <div>Id</div> <input type="text" name="id" size="40" /> <input type="submit" name="submit" value="Add File" /> </form> what I want is when the visitor fill the form and then submit it, a "File" object is created inside the same container. I added a Python script named "addFile" in the same container, and tried some things... but always failed. How to create a "File" then? Thank you. PS: I know the danger if an anonymous can do such things as creating an object into a container, but it's just for learnig prupose at the moment.