Vertex Paint Brush
- Create a Polygon Object (ie make sure it is Editable)
- Add a Vertex Color tag to it
- Make sure the Polygon Object is still selected.
- Choose the '4D Paint Vertex Brush' from the 'plugins 4D->4D Paint' menu
- Start painting vertex colors on your model using Stencils, Stamps, Symmetry and all the power of the sculpting system features.