rec.selectNewLine({
            sublistId: "recmachcustrecord3",
          });
    
          rec.setCurrentSublistValue({
            sublistId: "recmachcustrecord3",
            fieldId: "custrecord_tp_gl_impact_account",
            value: Acc,
    
            ignoreFieldChange: true,
          });
    
          
    
          rec.setCurrentSublistValue({
            sublistId: "recmachcustrecord3",
            fieldId: "custrecord_tp_gl_impact_region",
            value: region,
    
            ignoreFieldChange: true,
          });
    
          log.debug("after curr_field value changed ");
          rec.commitLine({
            sublistId: "recmachcustrecord3",
          });