Date.IsInPreviousNWeeks(**dateTime** as any, **weeks** as number) as nullable logical
Indicates whether the given datetime value
dateTime occurs during the previous number of weeks, as determined by the current date and time on the system.
datetimezonevalue to be evaluated.
weeks: The number of weeks.
Determine if the week before the current system time is in the previous two weeks.
Date.IsInPreviousNWeeks(Date.AddDays(DateTime.FixedLocalNow(), -7), 2)