return {
  tag = 'worldProperties',
  summary = 'Set the gravity of the World.',
  description = 'Sets the gravity of the World.',
  arguments = {
    {
      name = 'xg',
      type = 'number',
      description = 'The x component of the gravity force.'
    },
    {
      name = 'yg',
      type = 'number',
      description = 'The y component of the gravity force.'
    },
    {
      name = 'zg',
      type = 'number',
      description = 'The z component of the gravity force.'
    }
  },
  returns = {}
}
