lr_end_sub_transaction example

  /* Notify that a transaction is starting */
lr_start_transaction("purchases");
 /* Breakdown the transaction into a smaller transaction */
lr_start_sub_transaction("electrical_purchases", "purchases");
status = purchase_electrical_items(6); /* call to Server API */
 /* End transaction with operation result - pass or fail */
if (status == 0)
    lr_end_sub_transaction("electrical_purchases", LR_AUTO);
else
    lr_end_sub_transaction("electrical_purchases", LR_FAIL);