VEX101 - Arrays & Foreach-Loops (Patreon)

You'll need them when building lists, saving connectivity information on your mesh or when looking up nearby points: Arrays.

In theory nothing more than a list of values, arrays are handy for quite a few things we'll encounter frequently when developing VEX scripts. This tut gets you started with the basic theory and usage of arrays.

You might also want to have a look at SideFX's help page on arrays: http://www.sidefx.com/docs/houdini/vex/arrays.html