Natalie developed a currency-aware refund handling feature for the microsoft/BCApps repository, focusing on the integration between Shopify and Business Central. She enhanced the CreateSalesLinesFromReturnLines procedure using AL programming to ensure that sales credit memos generated from Shopify refunds accurately reflect the selected currency type. By addressing a bug that previously caused presentment and transaction amounts to be mixed, Natalie improved the reliability of multi-currency refund processing. Her work involved backend development and API integration, resulting in more accurate financial data and better traceability for Shopify Connector users. The solution demonstrates careful attention to data integrity in complex transactional scenarios.