Enterprise Administration > Implementing Windchill ESI > Implementing Windchill ESI in an ORACLE Applications Environment > XML Schemas > Common Business Object (CBO) > Common Business Object Schema: Object Header > BOM Schema > BOM Children Schema
  
BOM Children Schema
The following describes the elements contained in the BOM children schema.
Element
Description
ObjectHeader
The system information for the current object. For more information, see Common Business Object Schema: Object Header.
WCID
Unique identifier for the BOM children; internal to Windchill PDMLink.
ChildPartNumber
Part number for a child in the distribution target.
AssemblyPartNumber
Part number for the BOM header in the distribution target.
AlternateItemGroup
Value in the distribution target which is used to group children with their substitutes.
Quantity
Number of children on the BOM.
LineNumber
Value, which when used, allows the same part to be on multiple lines of a BOM, as long as the multiple lines have different LineNumbers.
OldLineNumber
In situations where the LineNumber needs to be changed the existing LineNumber is required.
OldOperationSequenceNumber
In situations where a component is allocated to an operation and this allocation needs to be deleted or modified, the old operation sequence number is required.
OperationSequenceNumber
In situations where a component is allocated to an operation, the operation sequence number is required.
Effectivity
Date effectivity or unit effectivity of the component.
Effectivity_Old
In situations of component modification or deletion, the existing effectivity is required.
ComponentID
Used for internal filtering purpose. For example to count component numbers having same componentId.
IsChildPhantom
Determines whether a component part is a phantom part.
ChildLinkUserArea
A complex element that can contain any number of extra child elements that are required for BOMcomponent processing. This provision is provided for customization.