From the Studio Manager dashboard, go to the Bookings tab and click on Availability from the drop-down menu.
​

On the Availability page, select a schedule or add the schedule you want your session to have (under the Availability tab).

Under the Weekly Recurring Schedule header, click on the Sessions drop-down list.
​

Select the [Session Name] checkbox that should be added to this weekly schedule (e.g., select the Portrait Photography checkbox).
​

After selecting the correct sessions, click on the Save Changes button.