1. Navigate to your feed.

2. Click "More".

3. Click "Contributors".

4. Click "New contributor".

5. Click the plus-sign to add new contributor.

6. Add your contributors phone number and click "Continue". Then you can also add email, full name and profile picture.

7. Then you select feed rights for which rights the contributor should have and notifications for how the contributor should be notified. Click "Done" when you are ready. The new contributor then receives an SMS from the project stating that they have been added as a contributor in the feed.