how can i run a shell command in qtscript when developing a plasmoid?

English Programming/Scripting
#1

i have had a quick look at kdeexamples at kde git repository and not found any examples related to this topic. please help me out.

#2

Does this help you?
Development/Tutorials/Plasma/JavaScript/API-LaunchApp - KDE TechBase

#3

thanks man, this is exactly what i want.

#4

btw, how can i know how many available extentions have been installed in my system? what are they?