You can add an employee in an already launched campaign from the detailed page of the relevant campaign:

1. Click on the category Performance > Campaign and select the desire campaign.

2. Click on the three dots on the top right corner and select Add reviewees.

3. In the new menu on the right, start typing the first letters of the Reviewees and select them in the drop-down menu.

4. Click Launch reviews.

Once invited, the Reviewees receives an invitation to prepare their interview.