[RoboDK]

This is currently not possible with RoboDK.
What type of macro are you trying to program?

There are some sample macros here:
//www.sinclairbody.com/doc/en/PythonAPI/examples.html

And more generic information including a C# example here:
//www.sinclairbody.com/doc/en/RoboDK-API.html#CsAPI