Animate 2020.
layer.getFiltersAtFrame(frameIndex)
frameIndex - It is an integer that specifies absolute frame index.
An array that contains a list of filters applied to the frame at frameIndex
Method; An array that contains a list of filters applied to the frame at frameIndex.
The following example gets the filters at the first frame of the first layer:
var myFilters = an.getDocumentDOM().getTimeline().layers[0].getFiltersAtFrame(0);