Allows you to provide files that should be sent with a POST request.
First available in version 3.0 build 2039.
name - Field name(s) to associate with the supplied file(s). You can use the same name for all files (just supply one name) or a unique name for each file, separate each name by newlines ('\n').
path - The local path(s) to the files that are to be posted, separated by newlines ('\n').
No output parameters.
When this method is called synchronously, a return object containing the output parameters is returned to the caller immediately.