Once an order is submitted in Order Management cloud then OIC will check the onhand in warehouse In wms based on priority list maintained in OIC and split the order into multiple orders based on item availability. Please let us know if we can split the order in OMS or maintain the original order and push different warehouses into the order lines using OIC and send B2B message back to External System with same customer referrence number. Please let us know how this can be managed or is it even achievable.