A Relation is for a n:m compound. On a relation, further data can be stored on the RELATIONDATA.
- Navigate to the MetaClass RELATION via the Class Browser
- Create a new instance using the Bulk Editor
- Set at least name, description, targettype left, targettype right and relation data template
- Save the changes
- As the relation data also a derivation of MetaClass RELATIONDATA can be used. For example to store more data on the relationship.