In Mathematica, when you hover any a built-in function, a small window with 2 symbols appears (as in the third paragraph of this reference page, see picture): clicking on the former one gives you a quick description of the function ("summary"), whereas the latter is a link to a detailed page on the function ("documentation").

My question is if it's possible to do exactly the same on a function defined by the user.

(source: wolfram.com)

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  • $\begingroup$ People here generally like users to post code as Mathematica code instead of images or TeX, so they can copy-paste it. It makes it convenient for them and more likely you will get someone to help you. You may find this this meta Q&A helpful $\endgroup$ – Michael E2 May 18 '16 at 15:40
  • $\begingroup$ Duplicates: mathematica.stackexchange.com/q/17176/5 and mathematica.stackexchange.com/q/19816/5 $\endgroup$ – rm -rf May 19 '16 at 18:13

You can do it by using the MessageName operator (::). Here is an example.


  • $\begingroup$ Thank you! What about the creation of document pages? Is it possible? $\endgroup$ – Oscar Charles May 21 '16 at 19:18
  • $\begingroup$ @OscarCharles. I believe that is possible with Wolfram Workbench. I have never use that development tool (not installed on my system), so I have no experience with writing Wolfram-like documentation pages. $\endgroup$ – m_goldberg May 21 '16 at 23:56

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