<note> <p>This is <b>AWS WAF Classic</b> documentation. For more information, see <a href="https://docs.aws.amazon.com/waf/latest/developerguide/classic-waf-chapter.html">AWS WAF Classic</a> in the developer guide.</p> <p> <b>For the latest version of AWS WAF</b>, use the AWS WAFV2 API and see the <a href="https://docs.aws.amazon.com/waf/latest/developerguide/waf-chapter.html">AWS WAF Developer Guide</a>. With the latest version, AWS WAF has a single set of endpoints for regional and global use. </p> </note> <p>Returns the <a>RuleGroup</a> that is specified by the <code>RuleGroupId</code> that you included in the <code>GetRuleGroup</code> request.</p> <p>To view the rules in a rule group, use <a>ListActivatedRulesInRuleGroup</a>.</p>