Steps to install and setup

[zhinigami]

Do you have more detailed steps/Guidelines to install and setup the Approval in canvas with custom connector to automate flow? I found the article below but I could find steps to setup in detail. How to/what are the steps to grant permission (Request API Permissions)
https://powerapps.microsoft.com/en-us/blog/building-an-approval-experience-in-canvas-apps/