ilename that has finished uploading.</li>
<li><strong>maxnum</strong> – Maximum number of files to be selected. Default is 1.</li>
<li><strong>maxsize</strong> – Maximum size of uploaded files. String or integer. Strings contain numbers optionally
followed by ‘M’, ‘K’, or ‘G’.  For example ‘2G’.  Files selected larger than this number
will not be uploaded and an error will be displayed to stderr. Default is ‘1M’.</li>
<li><strong>basic</strong> – Boolean (default False). No name or