var orgLocation = itemRs[i].getValue({ name : 'inventorylocation'});
                    var orgQuantity = itemRs[i].getValue({ name : 'binonhandcount'});
                    var itemId      = itemRs[i].getValue({ name : 'internalid'});
                    var sourceBin   = itemRs[i].getValue({ name : 'binnumber'});                        
                    
                    var inventoryXfer = record.create({ 
                            type : record.Type.INVENTORY_TRANSFER,
                            isDynamic : true
                        });

                        inventoryXfer.setValue({ fieldId : 'location', value : orgLocation });
                        inventoryXfer.setValue({ fieldId : 'department', value : transferDept});
                        inventoryXfer.setValue({ fieldId : 'transferlocation', value : masterLocationParam });
 
                        inventoryXfer.selectLine({ sublistId : 'inventory', line : 0});
                        inventoryXfer.setCurrentSublistValue({
                            sublistId: 'inventory',
                            fieldId : 'item',
                            value : itemId,
                        });
                        inventoryXfer.setCurrentSublistValue({
                            sublistId: 'inventory',
                            fieldId : 'itemcount',
                            value : orgQuantity,
                        })
                        inventoryXfer.setCurrentSublistValue({
                            sublistId: 'inventory',
                            fieldId : 'quantityonhand',
                            value : orgQuantity,
                        })
                        inventoryXfer.setCurrentSublistValue({
                            sublistId: 'inventory',
                            fieldId : 'tobins',
                            value : bin,
                        })
                        inventoryXfer.commitLine({ sublistId: 'inventory'});
                        inventoryXfer.save();

inventoryXfer.selectNewLine({sublistId:'YourID'})

function copyInventoryDetails(sourceRecord: record.ClientCurrentRecord, targetRecord: record.ClientCurrentRecord) {
    for (let itemLineNumber = 0; itemLineNumber < sourceRecord.getLineCount({sublistId: 'item'}); itemLineNumber++){
        // newScriptResult.logs.push(`Working with ITEM line ${itemLineNumber}`);
        sourceRecord.selectLine({sublistId: 'item', line: itemLineNumber});
        targetRecord.selectLine({sublistId: 'item', line: itemLineNumber});
        const oldInventoryDetails = sourceRecord.getCurrentSublistSubrecord({
            sublistId: 'item',
            fieldId: 'inventorydetail',
        });
        const newInventoryDetails = targetRecord.getCurrentSublistSubrecord({sublistId: 'item', fieldId: 'inventorydetail'});
        const serialNumbersInOldRecord = oldInventoryDetails.getLineCount({sublistId: 'inventoryassignment'});

        // const serialNumbersArray = ['ACCC8EB54B87', 'ACCC8EB5578F'];

        for (let serialNumberNumber = 0; serialNumberNumber < serialNumbersInOldRecord; serialNumberNumber++) {
            oldInventoryDetails.selectLine({sublistId: 'inventoryassignment', line: serialNumberNumber});

            const oldQuantity = oldInventoryDetails.getCurrentSublistValue({sublistId: 'inventoryassignment', fieldId: 'quantity'});
            const oldSerialNumber = oldInventoryDetails.getCurrentSublistText({sublistId: 'inventoryassignment', fieldId: 'issueinventorynumber'});
            console.log(`Old serial number is "${oldSerialNumber}" with quantity of ${oldQuantity}`);
            // const oldSerialNumber = serialNumbersArray[serialNumberNumber];
                newInventoryDetails.selectNewLine({sublistId: 'inventoryassignment'});

            newInventoryDetails.setCurrentSublistValue({
                sublistId: 'inventoryassignment',
                fieldId: 'quantity',
                value: oldQuantity
            });

            newInventoryDetails.setCurrentSublistValue({
                sublistId: 'inventoryassignment',
                fieldId: 'receiptinventorynumber',
                value: oldSerialNumber,
            });
            console.log(`Commiting serial number ${serialNumberNumber}: ${oldSerialNumber}`);
            newInventoryDetails.commitLine({
                sublistId: 'inventoryassignment',
            });
            console.log(`Successfully commited serial number ${oldSerialNumber} in line ${itemLineNumber}, position ${serialNumberNumber}`);
        }

        targetRecord.commitLine({sublistId: 'item'});

    }

}