Selecting a certain Groups (sounds) by Triggering a certain note


New Member
Hey everyone. i'm sure you all know one of the best Strings Libraries released for kontakt by Native Instrument. Action Strings.

actually it has a feature i really want to achieve for my project which is Playing a certain sounds (in a group or couple of groups) when triggering a certain note. idk how to explain better but here's the video from Native Instrument (at 1:11)

i there anyone who can help me with this bit of code.
or lead me to a place where i can read about it. i'd very appreciated if someone can help

and thanks