t is one of the most popular expressions. After you add it to a layer’s Position property, the layer starts randomly moving from side to side. If you add it to Scale, the layer starts scaling up and down.
Squash and Stretch Scale
This bouncing squash and stretch expression should make your animation a bit more alive by adding a proportional scale to your shapes or images
This after effects bounce expression is very useful to make your animations and titles look dynamic with a nice elastic movement,
Just create 2 keyframes position and past the code below.