protected function get_attachment_crumb() {

    $post = get_post();

    $crumb = '';
    if ( $post->post_parent && $this->args['heirarchial_attachments'] ) {
      // If showing attachment parent.
      $attachment_parent = get_post( $post->post_parent );
      $crumb             = $this->get_breadcrumb_link(
        get_permalink( $post->post_parent ),
        '',
        $attachment_parent->post_title,
        $this->args['sep']
      );
    }
    $crumb .= single_post_title( '', false );

    
/**
 * Filter the Genesis attachment breadcrumb.
 *
 * @since 2.5.0
 *
 * @param string $crumb HTML markup for the attachment breadcrumb.
 * @param array  $args  Arguments used to generate the breadcrumbs. Documented in Genesis_Breadcrumbs::get_output().
 */
    return apply_filters( 'genesis_attachment_crumb', $crumb, $this->args );

  }