1. In PingOne, go to Integrations > External IDPs.
  2. Locate the appropriate identity provider (IdP) and click the details icon to expand the IdP.
  3. Click the Connection tab.
  4. Copy the callback URL and paste it to a secure location.
  5. Go to Facebook for Developers at https://developers.facebook.com.
  6. At the top of the page, click My Apps, and then select the appropriate app.
  7. On the left side of the page, click Facebook Login > Settings.
  8. For Valid OAuth Redirect URIs, paste the value that you copied from the PingOne console.