How to describe functions?

Question

Visual Basic

I created a function and it works, but there is no description of these functions and variables (
How to make a description of how many values ​​can be passed to a function and a description of the function, what it does as in the screenshots in Excel.

Answer 1

https://fastexcel.wordpress.com/2016/10/07/writing...
stackoverflow.com/questions/4262421/how-to-put-at...