A Reference is used for a 1:n relation, where no further relational data needs to be stored.
- Navigate to the MetaClass REFERENCE in the Class Browser
- Create a new instance using the Bulk Editor
- Set at least name and description
- Assign a target type of the reference to the REFERENCE attribute either by
- dragging and dropping the reference object onto the cell
selecting the desired reference from the dialog appearing after double-clicking the cell
- target type of the reference, b
- Save the changes
- In the next step must be Create a new MetaProperty.