COMPLETE LESSON: https://www.sidefx.com/tutorials/vex-isnt-scary/
Next you will begin using Functions. Functions are pieces of code that you can call upon to shorten your code and make your life easier. They are a core part of VEX and can be used for a wide variety of actions. In this part, you use a few functions including set( ), rand( ) and removepoint( ). You will also learn about geometry handles and the existence of global variables such as@Frame.