code: func (h *Client) IPOverride(iPOverride string) *Client {
  	h.iPOverride = iPOverride
  	h.iPOverrideSet = true
  	return h
  }
docs: // The IP address of the user. This should be a valid IP address
  // in IPv4 or IPv6 format. It will always be anonymized just
  // as though &aip (anonymize IP) had been used.