> Attached a tex and a pdf file. It shows the original and your solution, but also the preferred solution. (But hard coded, not with a macro.) Would it be possible to get the preferred solution in a macro?

Tell ConTeXt where is should break the line with “\\”.

\MVCa{usedmodel}{firstViewFromSeveral\\ secondViewFromSeveral\\ thirthViewFromSeveral\\ fourthViewFromSeveral}{usedController}