code: public PagedSearchResult recommendation(SearchParams searchParams) {
          PagedSearchResult result = searchOperations.recommendation(searchParams);
          if(result!=null && enableAutoSolutionActionTrack) {
              String reqId = result.getReqId();
              this.sendSolutionActions("recommendation", reqId);
          }
          return result;
      }
docs: Recommendation for similar images from the ViSearch App given an existing image in the App.
  @param searchParams
  @return