code: public function setReportInfoList($reportInfo)
      {
          if (!$this->_isNumericArray($reportInfo)) {
              $reportInfo = array($reportInfo);
          }
          $this->fields['ReportInfo']['FieldValue'] = $reportInfo;
          return $this;
      }
docs: Sets the value of the ReportInfo.
  
  @param mixed $reportInfo ReportInfo or an array of ReportInfo ReportInfo
  @return $this This instance