Get Facebook Comments Box
1. Go to the Facebook developers page:
https://developers.facebook.com/
2. Configure the Comments Box settings depending on your specific needs.
3. Click the “Get Code” button to generate the code.
4. Log in to Moodle and create a new HTML block. When this block has been added, click to configure it’s settings.
5. Copy and paste both parts of the Facebook code into the HTML Source Editor.
6. As Moodle’s HTML editor will try to remove the required empty markup in the code, an HTML space needs to be added inside of the empty div (see screenshot).
7. Configure the other settings and save