Here is the detailed instruction of the app graduation process.

https://developers.ringcentral.com/guide/basics/production

Some more link you can refer

https://dzone.com/articles/build-and-graduate-your-app-in-ringcentral

The image links in this article are broken now. I've tried with Chrome and Firefox. Network inspection shows the image links return failures.

"How do I satisfy my app permission requirements?"

Phong Vu, documentation for the above is lacking to say the least. It says "let's take a look at an example" but instead of giving an example on how to make a call to an API endpoint that satisfies this requirement, it goes on to state that if you're not going to use a permission, then remove it.