seedRandom(index,true);myValue = random(50) ;
seedRandom(index,true); myValue = random(50) ;
Loop keyframes both forward and backwards in time!
Apply this expression to the property you want to control (like opacity) and make sure it is referencing the correct control layer.
Control the opacity of a layer by the dropdown menu selection. Add a Number [1,2,3,etc] to the beginning of layer to make it work
AfterEffects_Tricks
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