1. Access Source Groups in Admin settings.
2. Add a source group.
3. Name it Trailhead Community and specify the URL ashttps://success.salesforce.com.
4. Click Add and then save the source group.
5. Select Topic Profile.
6. Select Create New Topic Profile and name it something likeTrailhead Community.
7. Click Back and then Add/Remove Source Groups.
8. Select Success Community.
9. Select Include all content and save.
10. Add the topic profile to the workspace.
11. Click Engage.
12. Create a column.
13. Select the Trailhead Community topic profile and click Apply.