code: func (bot *BotAPI) GetUserProfilePhotos(config UserProfilePhotosConfig) (UserProfilePhotos, error) {
  	v := url.Values{}
  	v.Add("user_id", strconv.Itoa(config.UserID))
  	if config.Offset != 0 {
  		v.Add("offset", strconv.Itoa(config.Offset))
  	}
  	if config.Limit != 0 {
  		v.Add("limit", strconv.Itoa(config.Limit))
  	}
  
  	resp, err := bot.MakeRequest("getUserProfilePhotos", v)
  	if err != nil {
  		return UserProfilePhotos{}, err
  	}
  
  	var profilePhotos UserProfilePhotos
  	json.Unmarshal(resp.Result, &profilePhotos)
  
  	bot.debugLog("GetUserProfilePhoto", v, profilePhotos)
  
  	return profilePhotos, nil
  }
docs: // GetUserProfilePhotos gets a user's profile photos.
  //
  // It requires UserID.
  // Offset and Limit are optional.