NSLog) an error message that includes the name of the method that failed, the class name of the object, the name of the source file, and the line number.
- iOS 2.0+
- macOS 10.0+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
The selector for the method that failed
The object that failed.
The name of the source file.
The line in which the failure occurred.
A format string followed by a comma-separated list of arguments to substitute into the format string. See Formatting String Objects for more information.