on append_variant_id_to_data( array $data ) {
		if ( ! $this->is_old_installation() ) {
			if ( WPDesk_Flexible_Shipping_Tracker::is_plugin_flexible_shipping_in_data( $data ) ) {
				$data['fs_method_created'] = intval( get_option( self::OPTION_FS_METHOD_CREATED_TRACKER, '0' ) );
			}
		}
		return $data;
	}

}