Add component to RecordActionTable

i'm looking to method for add component FileUploadField in RecordEditForm. My purpose it's add this component below the form to set record but the file to upload will not record into database.

Inline on each element, or below? You "just" need to override one or more methods on RecordActionTable to return a different component implementation, e.g. if you want a single file upload at the bottom, override createFooter:

     * Override this to return a Wicket component to display beneath the table.
    protected Component createFooter(String id) {