Creates a dictionary using the keys and values found in a resource specified by a given URL.
- iOS 11.0+
- macOS 10.13+
- Mac Catalyst 13.0+
- tvOS 11.0+
- watchOS 4.0+
A URL that identifies a resource containing a string representation of a property list whose root object is a dictionary.
A new dictionary that contains the dictionary at
nil if there is an error or if the contents of the resource are an invalid representation of a dictionary.
The dictionary representation in the file identified by path must contain only property list objects (
NSDictionary objects). For more details, see Property List Programming Guide. The objects contained by this dictionary are immutable, even if the dictionary is mutable.