external_idstring required
status'IN_PROGRESS' | 'NEEDS_ACTION' | 'READY' | 'CANCELLED' required
patient_idstring required
payorstring nullable required
planstring nullable required
member_idstring nullable required
appointment_external_idstring nullable required
appointment_atstring date-time nullable required
appointment_typestring nullable required
cpt_codesstring[] required
custom_dataobject required
source_urlstring nullable required
closed_atstring date-time nullable required
created_atstring date-time required