requestedPeriod property
requestedPeriod A set of date ranges (potentially including times) that the appointment is preferred to be scheduled within. The duration (usually in minutes) could also be provided to indicate the length of the appointment to fill and populate the start/end times for the actual allocated time. However, in other situations the duration may be calculated by the scheduling system.
Implementation
List<Period>? get requestedPeriod => throw _privateConstructorUsedError;