protected function set_footer() {

		$attempt = new LLMS_Quiz_Attempt( $this->notification->get( 'post_id' ) );
		if ( ! $attempt->exists() ) {
			return '';
		}

		$permalink = $attempt->get_permalink();
		if ( ! $permalink ) {
			return '';
		}

		return '<a href="' . esc_url( $permalink ) . '">' . __( 'View the attempt', 'lifterlms' ) . '</a>';
	}