return {
  summary = 'Different material color parameters.',
  description = 'The different types of color parameters `Material`s can hold.',
  values = {
    {
      name = 'diffuse',
      description = 'The diffuse color.'
    },
    {
      name = 'emissive',
      description = 'The emissive color.'
    }
  },
  related = {
    'Material:getColor',
    'Material:setColor',
    'MaterialScalar',
    'MaterialTexture',
    'Material'
  }
}