aDescription,
aLocation,
this.collaboratorService().ownerFrom(tenant, anOwnerId),
new TimeSpan(aTimeSpanBegins, aTimeSpanEnds),
new Repetition(RepeatType.valueOf(aRepeatType), aRepeatEndsOnDate),
new Alarm(AlarmUnitsType.valueOf(anAlarmType), anAlarmUnits),
this.inviteesFrom(tenant, aParticipantsToInvite));
this.calendarEntryRepository().save(calendarEntry);
aCalendarCommandResult.resultingCalendarId(aCalendarId);