sonata_formatter_type

            ->add('body', 'sonata_formatter_type', array(
                'source_field'         => 'body',
                'source_field_options' => array('attr' => array('class' => 'span10', 'rows' => 80)),
                'format_field'         => 'bodyFormatter',
                'target_field'         => 'body',
                'ckeditor_context'     => 'default',
                'event_dispatcher'     => $formMapper->getFormBuilder()->getEventDispatcher()
            ));