code: func (s *VenueService) Tips(params *VenueTipsParams) ([]Tip, *http.Response, error) {
  	tipResp := new(tipResp)
  	response := new(Response)
  
  	resp, err := s.sling.New().Get(params.VenueID+"/tips").QueryStruct(params).Receive(response, response)
  	if err == nil {
  		json.Unmarshal(response.Response, tipResp)
  	}
  
  	return tipResp.Tips.Items, resp, relevantError(err, *response)
  }
docs: // Tips returns tips for a venue.
  // https://developer.foursquare.com/docs/api/venues/tips