A pre-appointment questionnaire is a questionnaire you can send to your patients XX hours before the time of appointment.
An example could be to send a "COVID Symptom Screener" 24 hours before they have an in-clinic appointment with you.
To update a service with a pre-appointment questionnaire:
If you are creating a new service or editing an existing the steps are the same:
Example "COVID Symptom Screener" Patient pre-screen