Returns a Boolean value indicating whether the receiver or any superclass supports the specified command.
- macOS 10.0+
A description for a script command, such as
move. Encapsulates the scriptability information for that command, such as its Objective-C selector, its argument names and types, and its return type (if any).
YES if an the receiver or the instance of
NSScript of any superclass of the receiver’s class lists the command described by
command among its supported commands; otherwise,