Configuring an External OAuth Provider for a Community
If needed, you can configure an external OAuth provider to authenticate community members.
To configure an external OAuth provider for a community:
Configure an external OAuth provider with the following values:
Field
Value
Client ID
Consumer key for the connected app.
Client Secret
Consumer secret for the connected app on the Salesforce org.
Authorization URL
https://<community_url>/services/oauth2/authorize
Access Token URL
https://<community_url>/services/oauth2/token
User Profile URL
https://<community_url>/services/oauth2/userinfo
Logout URL
https://<community_url>/secur/logout.jsp
* 
The <community_url> value is listed on the Administration page for the community, under Settings.
For more information:
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