Howto Fill description?

Hi is there any way to write form data in the description field of the generated media library item similar to you given example of

<?php
add_action( 'fu_after_upload', 'my_fu_after_upload' );

function my_fu_after_upload( $attachment_ids ) {
    // do something with freshly uploaded files
    // This happens on POST request, so $_POST will also be available for you
    foreach( $attachment_ids as $att_id ) {
		// Format the title
    	$author = 'By ' . $_POST['name'];
    	$author .= ' ' . $_POST['email'];
    	// Sanitize input from user
    	$author = sanitize_text_field( $author );
    	wp_update_post( array( 'ID' => $att_id, 'post_title' => $author ) );
    }
}

http://wordpress.org/extend/plugins/frontend-uploader/