
Select a layer and find a property you want to affect (like opacity).If you are new to expressions and are wanting to follow along, here is how you add an expression to a property in After Effects: So, you may be asking yourself, "why are there so many options to generate a random number?" Well, As an artist you're going to need a little bit of control, and these various random expressions offer unique ways of controlling randomness in After Effects. gaussRandom(minValOrArray, maxValOrArray).Here's a list of random expressions in that we will cover : That seems fairly straight forward, but did you know there are a few different random expressions available in After Effects?

The random expression is used in After Effects to generate random values for the property it's applied to.

What is the Random Expression in After Effects?
