I didn't meant in layers inside a material, use it as a mask in the layered material, it is a seperate material where you can combine different materials.
But keep in mind that the layered material is tricky when you copy it from one scene to the other, if you do so double click it after you paste it, otherwise the materials inside it won't be copied with it and you get an empty layered material. (seems to be a cinema 4d "bug")