code: func (r User_Customer) GetAdditionalEmails() (resp []datatypes.User_Customer_AdditionalEmail, err error) {
  	err = r.Session.DoRequest("SoftLayer_User_Customer", "getAdditionalEmails", nil, &r.Options, &resp)
  	return
  }
docs: // Retrieve A portal user's additional email addresses. These email addresses are contacted when updates are made to support tickets.