Animate 2020.
layer.setBlendModeAtFrame(frameIndex,blendModeString)
frameIndex – It is an integer that specifies absolute frame index. blendModeString - It is the string that specifies the blendmode to be set.
Nothing
Method; Sets the blending mode at the particular frame.
The following example sets the blending mode of the frame number 5.
an.getDocumentDOM().getTimeline().layers[0].setBlendModeAtFrame(4,"Subtract");