Darin Lee writes:

... accessing the name of an uploaded file ... This is an FAQ (--> searchable archive).

Uploaded files are "ZPublisher.HTTPRequest.FileUpload" objects. From their source documentation: File upload objects are used to represent file-uploaded data. File upload objects can be used just like files. In addition, they have a 'headers' attribute that is a dictionary containing the file-upload headers, and a 'filename' attribute containing the name of the uploaded file. Dieter