After saving an occurrence for a group service, you can edit the occurrence in your calendar. For each occurrence, you can change the title, price, from time, to time, max. attendees, and you manually can add participants to the occurrence.
Step-by-step guide:
Go to your Admin page.
Open your Calendar
Click on the occurrence you want to edit.
In the editor, you can edit the following information:
Occurrence title
Price
From time
To time
Occurrence max. attendees
Attendees
Delete occurence
Save when you’re done.