You can customize the default appearance of appointment using AppointmentTemplate in Xamarin.Forms SfSchedule. You can also refer the following article.

Please fill out the form below if you would like to become a new patient, and a BIDMC representative will contact you during regular business hours to schedule your first appointment. The form below ...

A quick start Blazor project that helps you to learn how to change the events appearance using templates in the Blazor Scheduler. In this video, you will learn how to customize scheduler appointments ...