| Name | Type | Description | Notes |
|---|---|---|---|
| id | string | a unique id for this event | |
| type | string | the type of the event | |
| actor | string | string containing the userid of the actor | |
| role | string | string containing the role of the actor | [optional] |
| object | string | the content identifier of the digital resource this event relates to. This is the stream identifier. | [optional] |
| event_time | \DateTime | timestamp on which the event occured | |
| session_id | string | id of the session | [optional] |