code: function get(req, res, next) {
    var params = {
      _id: req.params.id
    };
  
    logger.debug("Middleware Submissions Get ", {params: params});
  
    forms.getSubmission(req.connectionOptions, params, submissionsHandler(constants.resultTypes.submissions, req, next));
  }
docs: Get A Single Submission
  @param req
  @param res
  @param next