Leave example as is and replace category with whatever the example is related to, you can use multiple ones, like proxy movement model etc.
This example pac uses the is_on_ground and timerx events with command parts to activate a sound when you fall long enough, and then when reaching the ground activates another sound and a custom animation.
Upload your file using the media manager (click the picture frame icon on the editor toolbar). Then replace the link below. Right click to download this example: falldamagesoundandanim.txt