problem with editor in Field Classes

[eluser]najm[/eluser]
the editor of rapyd libraray look at this code please :

$form->wysiwyg = new editorField("Description", "description");
$form->wysiwyg->cols = 70;
$form->wysiwyg->rows = 20;
$form->wysiwyg->upload_path = '/my_upload/some_content/';