code: function search(req, res, next) {
    var queryParams = req.body;
  
    logger.debug("Middleware Submission Search ", {params: queryParams});
  
    forms.submissionSearch(req.connectionOptions, queryParams, _getSubmissionsResultHandler(req, next));
  }
docs: Search For Submissions. Used For Advanced Search
  @param req
  @param res
  @param next