| Condition | Description |
|---|---|
| object |
Matches the ID number of the object. |
| class |
Matches the ID number of the class which the object is an instance of. |
| class_identifier |
Matches the identifier of the class which the object is an instance of. |
| class_group |
Matches the ID number of the group that the class which the object is an instance of belongs to. |