### DataModel Relationships
* In the data model file, on the bottom right `Editor Style`, toggle to Graph Mode
* To add a new object to the graph, click on `Add Entity` (lower left side)
* **Make sure to have the inspector tab open**
* Add a name to the model
* To add an attribute to the model: click `add attribute` (lower right)
  * Make sure to add `Attribute Type` in the `inspector tab` to prevent xcode from error-ing
* To add a relationship to the model, click on the model and `control` drag to the parent model
  * Set up the relationship: in the `inspector tab`, set the `type` to either `to one` or `to many`