To get your sitemap and submit to feed and crawl your data such as google webmaster please follow the below instructions 

1. Make sure your website installed correctly and all the necessary settings and contents are ready to publish 
2. Visit to this URL : http://www.yourwebsite.com/sitemap.xml 
3. You will receive all the sitemap contents onpage 
4. copy the URL and submit to any crawler 

Congratulations you have successfully completed the data feed operation.