Sort tParams = Assure; export default async purpose Challenge( params : params: tParams ) const slug = await params; const productID = slug[1]; // other code in this article FutureWarning: Downcasting habits in `switch` is deprecated and will be taken out inside of a future version. To keep the old https://alphawireless.com/future-proofing-american-utilities-why-900-mhz-is-critical-for-utility-communications/