In meta I added
I used the following method:
Put this in you Document in the head section:
//username of moderater
step 1) Go to this url : https://developers.facebook.com/tools/debug
step 2) Enter your URL and click on debug. In case if there is anything to be corrected,it will be mentioned here.
step 3)Correct all the warnings.Check the Scraped URL link at the bottom.Make sure it gets all the required Meta tags.
You will get a moderation option on your website once everything is ok.
Give yourself admin rights for the app(there is an option in settings).
go to this url: https://developers.facebook.com/tools/comments?view=queue