private static void addAttribute(final AuthenticationBuilder builder, final String name, final String value) {
        FunctionUtils.doIf(StringUtils.isNotBlank(value), v -> builder.mergeAttribute(name, v)).accept(value);
    }
Attribute to track geo location, if any.
core/cas-server-core-authentication-api/src/main/java/org/apereo/cas/authentication/metadata/ClientInfoAuthenticationMetaDataPopulator.java