easy way to create shading

can I ask to all master toon boom here how to create or easy way to making shading in toon boom animate pro 2

should I make 2 layers and put diferently between outlines and coloring??

or should I just combine both them in one layers??

or maybe using masking…??

whatever is that, please tell me the step by step to making it…
I need to learn that O.O

Watch my tutorial on tone and highlight in my youtube channel :slight_smile: