| Attribute | Schema Type or Enumeration Values | Usage | Definition | Business Rule(s) |
|---|
| ItemGroupOID | oidref | Required | Reference to an ItemGroupDef for the MetaDataVersion identified in the ClinicalData element. | - The values of ItemGroupOID must be unique within the parent element.
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| ItemGroupRepeatKey | repeatKey | Conditional - Required when the Repeating attribute for the ItemGroupDef element is "Yes" .
| A key used to distinguish between repeats of the same type of item group. | - The values of ItemGroupRepeatKey must be unique within the parent element.
- The ItemGroupRepeatKey is present only if the ItemGroupDef is repeating.
- For /ODM/ReferenceData/ItemGroupData, the ItemGroupOID and ItemGroupRepeatKey pair must be unique.
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| TransactionType | Insert | Update | Remove | Upsert | Context | Conditional - Required when the FileType attribute for the ODM element is Transactional.
| The TransactionType attribute need not be present in a Snapshot document. |
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| ItemGroupDataSeq | positiveInteger | Conditional - Required when the parent element is ReferenceData or ClinicalData, the ItemGroupDataSeq.
| Unique sequence # for each ItemGroupData child element (record) in the container element. | - ItemGroupDataSeq may only be used when ItemGroupData is a direct child of either ClinicalData or ReferenceData and the ItemGroupData represents a row in a dataset.
- The ItemGroupDataSeq and ItemGroupRepeatKey attributes are mutually exclusive.
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