for our application we need to set a default role to every user after he verifies his email. I already have an post login action in place which denies login if the user has not verified his email.
You should be able to add a role to the user using the node-auth0 module in a post-login action. You can use your existing Action and add the role if the user is verified. If you need some help constructing the rule let me know and I’ll be happy to help.