| type | Concrete Class |
| Immediate Parent | |
| Source Provider | |
| Authority | |
| Cross Reference | |
| Derived From | |
| Name | Has Instance |
| Description | has_instance(Type, Occurrence), e.g. has_instance(Activity_Type, Activity_Occurrence) |
| Object Attributes | |
| Example | |
| Inclusion | |
| Exclusion | |
| Rules | |
| Modeller | |
| Date | |
| Status | |
| Comment | |