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 > CN Schema
CN Schema
The following describes the elements contained in the CN 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 CN; internal to Windchill PDMLink.
ChangeNumber
The CN identifier in the distribution target.
Description
Text describing the change.
ReasonForChange
Text describing the reason for the change.
Effectivity
Values used to determine planning. Contains the following subelements:
StartDate: Date when the CN becomes effective within the organization.
EndDate : Date when the CN effectivity ends.
ECNUserArea
A complex element that can contain any number of extra child elements that are required in ECN processing. This provision is provided for customization.
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