Integrate Custom Components with Next.js and Builder 

Guided tutorial on how to register your custom components with an integrated app. This example uses Next.js, but the process is similar for any framework. Check out the links below for other frameworks.
Written instructions and code to accompany this video are in the
Integrating Custom Components documentation:
www.builder.io...
Links mentioned in the video that show you how to get the integrated app featured in the video:
Integrating Pages (contains detailed instructions, great if you like a thorough guide) www.builder.io...
Developer Quickstart (same code as Integrating Pages, but a lot less written instruction, great for experienced devs who understand the code at a glance) www.builder.io...