Auth0 Rule - Add claim to a token

rule-add-claim-to-token.js

function (user, context, callback) {

  // Roles should only be set to verified users.
  if (!user.email || !user.email_verified) {
    return callback(null, user, context);
  }

  if (user.app_metadata.drupal_role) {
    context.idToken['https://example.com/drupal_role'] = user.app_metadata.drupal_role;
  }
  callback(null, user, context);
}