Facebook Configure

First, you'll need to register your app on Facebook. Follow these steps:

1. Visit https://developers.facebook.com/apps
2. Click "Add a New App".
3. Add a "Display Name" for your app and click on "Create App ID".
4. Answer the "Security Check" CAPTCHA and click on "Submit".
5. When the new app dashboard loads, click on "Settings" in the left hand menu.
6. From the top of the "Basic" settings page, note down your "App ID" and "App Secret" (you will be asked for them at the bottom of this popup).
7. Click on the "Add Platform" button, and select "Website".
8. In the "Website" section, set the "Site URL" to {{siteUrl}} and click on "Save Changes".
9. Click on "Add Product" in the left hand menu.
10. Hover over "Facebook Login", click on "Set Up".
11. Click on "Facebook Login > Settings" from the left hand menu.
12. Set "Valid OAuth redirect URIs" to {{siteUrl}}_oauth/facebook and click on "Save Changes".
13. Select "App Review" from the left hand menu.
14. Toggle the "Make app public" switch to "Yes".
15. Select a "Category" in the "Make app public" popup and click on "Confirm".