The “code” is a UUID - a universally unique identifier and in the case of CCC it just uniquely identifies a particular CCC task.
So the link you’ve copied is actually an x-callback URL and you use it like you would an ordinary url but it doesn’t point to a web address in this case but a CCC task.
Since I’m not at my Mac I can’t create an example for you to use but instead look at this discussion to see an example of how to use it:
There may be other examples in the forum - just search for callback.