Update Service Appointments
A service appointment represents an appointment booked through Salesforce Scheduler. Make a PATCH request on the service-appointments Connect API to update a multi-resource service appointment.
Create a page where the user can review the appointment details and create the appointment. Here’s how a Review Service Appointment page can look.

Link the Next button to a PATCH request on the service-appointments Connect API to update the service appointment.
Resource URI
Where YOUR_INSTANCE is a variable.
Sample Request
Update Service Resource
Create a page to show confirmation when the service appointment is modified successfully.
Here’s how a sample confirmation page can look.
