public String getXssMatchSetId() {
        return this.xssMatchSetId;
    }
<p>
A unique identifier for an <code>XssMatchSet</code>. You use <code>XssMatchSetId</code> to get information about
a <code>XssMatchSet</code> (see <a>GetXssMatchSet</a>), update an <code>XssMatchSet</code> (see
<a>UpdateXssMatchSet</a>), insert an <code>XssMatchSet</code> into a <code>Rule</code> or delete one from a
<code>Rule</code> (see <a>UpdateRule</a>), and delete an <code>XssMatchSet</code> from AWS WAF (see
<a>DeleteXssMatchSet</a>).
</p>
<p>
<code>XssMatchSetId</code> is returned by <a>CreateXssMatchSet</a> and by <a>ListXssMatchSets</a>.
</p>

@return A unique identifier for an <code>XssMatchSet</code>. You use <code>XssMatchSetId</code> to get
        information about a <code>XssMatchSet</code> (see <a>GetXssMatchSet</a>), update an
        <code>XssMatchSet</code> (see <a>UpdateXssMatchSet</a>), insert an <code>XssMatchSet</code> into a
        <code>Rule</code> or delete one from a <code>Rule</code> (see <a>UpdateRule</a>), and delete an
        <code>XssMatchSet</code> from AWS WAF (see <a>DeleteXssMatchSet</a>).</p>
        <p>
        <code>XssMatchSetId</code> is returned by <a>CreateXssMatchSet</a> and by <a>ListXssMatchSets</a>.
aws-java-sdk-waf/src/main/java/com/amazonaws/services/waf/model/XssMatchSetSummary.java