AppointmentClientDataInput
Information about the client booking the appointment. You can either provide an `id` or `reference_id` for an existing client, or provide a new client's details.
Information about the client booking the appointment. You can either provide an id or reference_id for an existing client,
or provide a new client's details.
Example
{ "email": "john.doe@example.com", "fields": { "age": 30 }, "first_name": "John", "last_name": "Doe", "locale": "en-US", "phone": "+15551234567", "reference_id": "1234567890", "time_zone": "America/New_York"}