When an appointment is marked as "no-show", you can send an email to the customer with just one click using your own template.
For example, inform him that an invoice may follow or that he should get in touch to explain the reason for his no-show.
Make it easier for your staff to contact the customer to collect any no-show fees without sending an invoice directly.
The email template can be edited in the Settings → Appointment Confirmations & Reminders section:

If a template is stored and the customer has an email address, it can be sent:
