code: func (api *API) AccountMember(accountID string, memberID string) (AccountMember, error) {
  	if accountID == "" {
  		return AccountMember{}, errors.New(errMissingAccountID)
  	}
  
  	uri := fmt.Sprintf(
  		"/accounts/%s/members/%s",
  		accountID,
  		memberID,
  	)
  
  	res, err := api.makeRequest("GET", uri, nil)
  	if err != nil {
  		return AccountMember{}, errors.Wrap(err, errMakeRequestError)
  	}
  
  	var accountMemberResponse AccountMemberDetailResponse
  	err = json.Unmarshal(res, &accountMemberResponse)
  	if err != nil {
  		return AccountMember{}, errors.Wrap(err, errUnmarshalError)
  	}
  
  	return accountMemberResponse.Result, nil
  }
docs: // AccountMember returns details of a single account member.
  //
  // API reference: https://api.cloudflare.com/#account-members-member-details