Application management : Configuration : External BO links : Field descriptions : External BO links - fields
External BO links - fields
Field
Description
External ID
The unique ID that identifies business objects in both the current system and the external system.
* 
The combination of the external system and the external ID is unique.
External system
A reference to the external system for which the data is mapped.
Business object definition
A reference to the linked business object. This identifies the business object in the current instance. Any business object is allowed.
BO system code
The business object's system code in the current instance.
Description
A text field that can be used for storing information about the external BO link.