Create Qualifying Entity
1. For Qualifying Entity complete the following:
- Entity Name - Select Main Entity Name
- Additional data will default.
- Field Cardinality may be selected if default 1:N is not desired
2. Click next 
to add additional data for the entity if necessary or additional attributes.
3. Save all the changes to the TR, check for the errors and then activate the data model. 
Once the activation is completed, refresh the page for the changes to appear.