How to document a method in Objective C?

Want to document your code, as is done in the source language; in order by pressing Option and clicking on a method, you could see something as follows:

I tried to use Javadoc and similarly documented method:

 Method get something
 @param string some parameter
 @return returns something
+ (NSString *)getOpenOrdersCount;

And it turns out like this:

Can you give an example how to document your code in order by pressing option and clicking it shows the window with complete data (not only declared)?
October 3rd 19 at 02:46
2 answers
October 3rd 19 at 02:48
This opportunity is in the new Xcode 5. For Xcode 4 — appledoc and doxygen.

It was a lot of changes — see What's New in Xcode 5 in the list of videos from WWDC 2013
October 3rd 19 at 02:50
How Stackoverflow suggests, Objective C has no built-in documentation. As one of the options on the Apple developer website shows the utility, Doxygen, which will help to make easy documentation.

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