Determines whether all contact property values for the specified keys are fetched.
- iOS 9.0+
- macOS 10.11+
- Mac Catalyst 13.0+
- watchOS 2.0+
An array of contact property keys and/or key descriptors from contact objects.
YES if all the values are fetched; otherwise,
are methods are used where you are not certain of the keys that when fetched. If this method returns
NO, refetch the contact using the contact identifier and the keys you want to fetch. Accessing a property that was not fetched will throw an