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| Attribute | Schema | Usage | Definition | Business Rule(s) |
|---|---|---|---|---|
| StudyEndPointOID | oidref | Required | Reference to the StudyEndPoint. | Must match the OID atttribute for a StudyEndPoint in the Study/MetaDataVersion/Protocol. |
| OrderNumber | integer | Optional | Indicates the order in which this StudyEndPointRef appears in Metadata displays or data entry applications. | OrderNumber must be a positive integer. The StudyEndPointRefs within a StudyObjective must not have duplicate OrderNumber values |