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. Note that this function will return false when passed a value that occurs within the current week.
datetimezonevalue to be evaluated.
weeks: The number of weeks.
Date.IsInPreviousNWeeks(dateTime as any, weeks as number) as nullable logical
Determine if the week before the current system time is in the previous two weeks.
Date.IsInPreviousNWeeks(Date.AddDays(DateTime.FixedLocalNow(), -7), 2)