| Name | Type | Description | Notes |
|---|---|---|---|
| versionId | UUID | used for versioning changes in workitem | [default to null] |
| versionNumber | Integer | used for define chronology of workitem state in each version | [default to null] |
| modifiedDate | Date | [optional] [default to null] | |
| modifiedById | UUID | [optional] [default to null] |