| Name | Data Type | Order | Definition | ||
|---|---|---|---|---|---|
| vmsUnitUsedToManageParking | VersionedReference | 7 | A reference to a record that contains the metadata for a specific VMS unit that may be used to manage the parking site (e.g. to indicate to drivers the current availability of spaces). | 
| Multiplicity | From | Role | Role description | Association | Multiplicity | To | Role | Role description | |
|---|---|---|---|---|---|---|---|---|---|
| 0..* | Contact | vmsOperator | related to | 1 | ParkingVMS | ||||
| 0..* | ParkingVMS | related to | 1 | ParkingRecord |