4. $OMX_UPDCOM

1	Orders arrive in the $OM__ORUPD_ACPT.
2	The Routing Logic Module (function blocks) commits the accepted update order.
3	.xml retrieval	Fails	Deletes the update only item.
		Succeeds	Looks for original Item ID.
4	The original Item ID is retrieved.
	Not found in PRT, but found in TADB.			Order item is deleted from TADB.
	Not found in TADB, but found in PRT.			Order item is deleted from PRT.
	Found in PRT and TADB attributes			Item ID is retrieved from PRT.
		Action		The update item is merged with the original. The update item is deleted from PRT and TADB.
5	The original item is in $OM_ORNEW_DETN:
	No	Action	None; update has been merged with the original order.
	Yes	Destination	$OM_ORDER_NEW
		Action	Triggers $OMX_PLANT

Note: If the PRT Order item for the order to be updated is in any other region, its TADB record will be updated without moving the item.

POMS routing overview.