Can I use walletnotify or blocknotify remotely with a NodeJS application?

Can I use walletnotify or blocknotify remotely with a NodeJS application?

I'd like to get information from my bitcoin node running on a cloud server to be used to make changes in my NodeJS app running on my computer. So, in the bitcoin.conf file, should I have something like walletnotify=curl http://My.IP.Address:PortAppUses/walletnotify.js?tx=%s? If that's right, what do I write in the walletnotify.js file to simply save the incoming transaction id as a variable?

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