Resolution mode: select if you want the resolution of the color grid to adapt to the resolution of the mapping or would you like to use a custom resolution.
Resolution: if Resolution mode is set to Custom then this would be the resolution of the texture.
Start color: start color of the gradient
End color: end color of the gradient
Start point: start point, in relative coordinates, of the gradient.
End point: end point, in relative coordinates, of the gradient.
Auto rename: renames the layer based on the selected Mapping.