refresh

The refresh() method reloads the current instance of the Upload widget.
The optional parameter options gives the possibility to extend the initial options with the new ones.

<input type="file" name="files" id="files" />

<script type="text/javascript">
    jQuery(function ($) {
        $('#files').shieldUpload({
            async: {
                enabled: true,
                save: {
                    url: "/upload/save"
                },
                remove: {
                    url: "/upload/remove"
                }
            }
        });

        $("#files").swidget().refresh();
    });
</script>