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| Attribute | Usage | Description | Attribute order |
|---|---|---|---|
| fileOID | Required | A unique identifier for this file. | 0 |
| creationDateTime | Required | Time of creation of the file containing the document. | 1 |
| asOfDateTime | Required | The date/time at which the source database was queried in order to create this document. | 2 |
| originator | Optional | The organization that generated the ODM file. | 3 |
| sourceSystem | Optional | The computer system or database management system that is the source of the information in this file. | 4 |
| sourceSystemVersion | Optional | The version of the "SourceSystem" above. | 5 |
| datasetJSONVersion | Required | Version of Dataset-JSON standard | 6 |
| clinicalData | RequiredOptional | See ODM definition for study OID (STUDYOID). | 7 |
| referenceData | RequiredOptional | See ODM definition for metadata version OID (METADATAVERSIONOID). | 8 |
...