fun <reified T : RealmModel> Realm.createEmbeddedObject(parentObject: RealmModel, parentProperty: String): T
Instantiates and adds a new embedded object to the Realm.
This method should only be used to create objects of types marked as embedded.
T - the Class of the object to create. It must be marked with @RealmClass(embedded = true).
parentObject - The parent object which should hold a reference to the embedded object. If the parent property is a list
the embedded object will be added to the end of that list.
parentProperty - the property in the parent class which holds the reference.
IllegalArgumentException - if clazz is not an embedded class or if the property
in the parent class cannot hold objects of the appropriate type.
Return
the newly created embedded object.