Sitecore Clear Cache for all sites on publish

HtmlCacheClearer.config

<configuration xmlns:patch="http://www.sitecore.net/xmlconfig/">
  <sitecore>
    <!--Clear the html cache on publish; default only clear for site called "website"-->
    <events>
      <event name="publish:end">
        <handler type="Sitecore.Publishing.HtmlCacheClearer, Sitecore.Kernel" method="ClearCache">
          <sites hint="list">
            <site>MyWebsite1</site>
            <site>MyWebsite2</site>
          </sites>
        </handler>
      </event>
      <event name="publish:end:remote">
        <handler type="Sitecore.Publishing.HtmlCacheClearer, Sitecore.Kernel" method="ClearCache">
          <sites hint="list">
            <site>MyWebsite1</site>
            <site>MyWebsite2</site>
          </sites>
        </handler>
      </event>
    </events>
  </sitecore>
</configuration>