To build face rigs, users doesn’t need to define module names if users uses the WMs platform.
After Drag and Drop any module, you will get this pop up UI to define your module name based on how many asset has heads.
Comparing each case ⬇️
Single Head
Multi Heads
Once you select the module name that you would like to build, it will automatically apply all deformer and skinClusters.
That means you only just paint on the required mesh to finish your rigs.