for (let serialNumberNumber = 0; serialNumberNumber < oldSerialNumbersCount; serialNumberNumber++) {

oldInventoryDetails.selectLine({sublistId: 'inventoryassignment', line: serialNumberNumber});

newInventoryDetails.selectNewLine({sublistId: 'inventoryassignment'});

const oldSerialNumber = oldInventoryDetails.getCurrentSublistValue({sublistId: 'inventoryassignment', fieldId: 'receiptinventorynumber'});

newInventoryDetails.setCurrentSublistValue({sublistId: 'inventoryassignment', fieldId: 'quantity', value: 1});

newInventoryDetails.setCurrentSublistValue({sublistId: 'inventoryassignment', fieldId: 'issueinventorynumber', value: oldSerialNumber});

newInventoryDetails.commitLine({sublistId: 'inventoryassignment'});