X++ code to recalculate Item transactions

static void lan_recalcInventSumItem(Args _args)
{
InventSumRecalcItem InventSumRecalcItem;
;
InventSumRecalcItem = new InventSumRecalcItem("Item Number", true, checkfix::Fix);// enter the item number that need to be re-calc
InventSumRecalcItem.updatenow();
}