toOneRelationshipKeys
Overridden by subclasses to return the keys for the to-one relationship properties of instances of the described class.
Declaration
var toOneRelationshipKeys: [String] { get }Return Value
An array of NSString objects containing the names of the to-one relationship properties of instances of the described class.
Discussion
To-one relationship properties are single objects.
If you have an instance of the class the receiver describes, you can use the NSObject instance method toOneRelationshipKeys instead.