Collecting url from the nested Xml

XML > XML(has to collect url by matching url index)
Need an assist to Crawl urls from the nested XML using downloadlistofurls using crawlee ,below my sample code

const urls = await downloadListOfUrls({ url: sitemapUrl });
for (let url of urls) {
if (url.indexOf('/sitemap_products_1/')==0) {
var reqUrl = url;
log.info(got url: ${url}got url: ${url});
log.info(got ListUrl: ${reqUrl}got ListUrl: ${reqUrl});

const listOfUrls = await downloadListOfUrls({url:reqUrl});

log.info(got pdpurl: ${listOfUrls}got pdpurl: ${listOfUrls});

var filteredUrls = listOfUrls.filter(u => {
let keep = u.indexOf('/products/') == 0
log.debug(${keep ? 'keeping ' + u : 'rejecting ' + u}${keep ? 'keeping ' + u : 'rejecting ' + u})
return keep
})
}
}

await crawler.addRequests(filteredUrls);

No output for the below log.
log.info(got pdpurl: ${listOfUrls}got pdpurl: ${listOfUrls});