Hi w.franssen,
I made a copy of the ‘auth0-authorization-extension’ rule and extended it to include the groups/roles/permissions in the OIDC format. Code snippet below showing changes:
var namespace = 'https://yourdomain.com/';
context.idToken[namespace + 'permissions'] = data.permissions;
context.accessToken[namespace + 'groups'] = data.groups;
context.accessToken[namespace + 'roles'] = data.roles;
context.accessToken[namespace + 'permissions'] = data.permissions;
Let me know if you have any questions