The participant is excluded from the appointment, and might not be informed
of the appointment taking place. (Appointment is about them, not for them -
such as 2 doctors discussing results about a patient's test).
Returns the enum constant of this type with the specified name.
The string must match exactly an identifier used to declare an
enum constant in this type. (Extraneous whitespace characters are
not permitted.)
Parameters:
name - the name of the enum constant to be returned.