text: AuthenticationFlowError = Java.type("org.keycloak.authentication.AuthenticationFlowError");
  
  function authenticate(context) {
  
      LOG.info(script.name + " --> trace auth for: " + user.username);
  
      /*
      if (   user.username === "tester"
          && user.getAttribute("someAttribute")
          && user.getAttribute("someAttribute").contains("someValue")) {
  
          context.failure(AuthenticationFlowError.INVALID_USER);
          return;
      }
      */
  
      context.success();
  }