| Name | Description | Type | Additional information |
|---|---|---|---|
| Timestamp |
Timestamp of action on client. |
date |
Required |
| StudyId |
Id of the study to which this action applies. |
globally unique identifier |
Required |
| UserName |
Username of the user that performed the action. |
string |
Required |
| Content |
JSON data. |
Object |
Required |