Joins additional attributes from the related EventTable. This operation returns a new ItemView object. Note that the event timestamp and event attributes representing entities in the related Event table are already automatically added to the ItemView.
- columns: list[str]
List of column names to include from the EventTable.
- event_suffix: Optional[str]
A suffix to append on to the columns from the EventTable.
The ItemView object with the joined columns from the EventTable.