The Architecture of $ (contentReplacementTokens) in Headless SXA with Next.js

**The architecture of $ (contentReplacementTokens) in headless SXA with Next.js**

Working with Headless SXA with Next.js faces it challenges if you've come to rely on certain features that were present in MVC SXA. One of those is custom content replacement tokens. To introduce this feature back into headless SXA with Next.js I'll walk you through the architecture behind it all.