After Effects Tutorial | Expression Controls

In this tutorial I will show you how to use Expression Controls and Control Layers to control other layers. I will be using slider controls and color controls. I will also show you how to use some basic expressions: index, value, and I will show you how to declare variables. This is very useful and it can help you stay organised. Expressions used: Size: controlIndex = (“Control Layer“).index scaleMultiplier = (“Control Layer“).effect(“Scale Multiplier“)(“Slider“) value * (contr