The error message from the engine in case of a failed operation.
Key of the item, e.g. a process instance key.
The date this item was processed.
This is null if the item has not yet been processed.
the process instance key of the processed item.
The key of the root process instance. The root process instance is the top-level ancestor in the process instance hierarchy. This field is only present for data belonging to process instance hierarchies created in version 8.9 or later.
State of the item.
The key (or operate legacy ID) of the batch operation.